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Study flow diagram.

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Figure 1

Study flow diagram.

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

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Figure 2

Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

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Figure 3

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Network diagram for outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 4

Network diagram for outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Cumulative rankogram comparing each of the methods of management of a miscarriage for incomplete miscarriage subgroup analysis for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 5

Cumulative rankogram comparing each of the methods of management of a miscarriage for incomplete miscarriage subgroup analysis for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of complete miscarriage.

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Figure 6

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of complete miscarriage.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 7

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of composite outcome of death or serious complication. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 8

Network diagram for outcome of composite outcome of death or serious complication. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of composite outcome of death or serious complication.

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Figure 9

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of composite outcome of death or serious complication.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of composite outcome of death or serious complication. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 10

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of composite outcome of death or serious complication. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of need for unplanned/ emergency surgical procedure. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 11

Network diagram for outcome of need for unplanned/ emergency surgical procedure. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of need for unplanned/ emergency surgical procedure.

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Figure 12

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of need for unplanned/ emergency surgical procedure.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of need for unplanned/ emergency surgical procedure. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 13

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of need for unplanned/ emergency surgical procedure. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of pain score (visual analogue scale). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 14

Network diagram for outcome of pain score (visual analogue scale). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Network diagram for outcome of pelvic inflammatory disease, sepsis or endometritis. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 15

Network diagram for outcome of pelvic inflammatory disease, sepsis or endometritis. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of pelvic inflammatory disease, sepsis or endometritis.

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Figure 16

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of pelvic inflammatory disease, sepsis or endometritis.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of pelvic inflammatory disease, sepsis or endometritis. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 17

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of pelvic inflammatory disease, sepsis or endometritis. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of mean volumes of blood loss (millilitres). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. Multi‐arm trials contribute to more than one comparison.

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Figure 18

Network diagram for outcome of mean volumes of blood loss (millilitres). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. Multi‐arm trials contribute to more than one comparison.

Network diagram for outcome of change in haemoglobin measurements before and after the miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 19

Network diagram for outcome of change in haemoglobin measurements before and after the miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of change in haemoglobin measurements before and after the miscarriage.

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Figure 20

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of change in haemoglobin measurements before and after the miscarriage.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of change in haemoglobin measurements before and after the miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 21

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of change in haemoglobin measurements before and after the miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 22

Network diagram for outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of days of bleeding.

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Figure 23

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of days of bleeding.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 24

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of mean duration of hospital stay (days). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. Multi‐arm trials contribute to more than one comparison.

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Figure 25

Network diagram for outcome of mean duration of hospital stay (days). The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. Multi‐arm trials contribute to more than one comparison.

Network diagram for outcome of readmission to hospital. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 26

Network diagram for outcome of readmission to hospital. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of readmission to hospital.

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Figure 27

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of readmission to hospital.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of readmission to hospital. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 28

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of readmission to hospital. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of nausea. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 29

Network diagram for outcome of nausea. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of nausea.

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Figure 30

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of nausea.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of nausea. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 31

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of nausea. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of vomiting. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 32

Network diagram for outcome of vomiting. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of vomiting.

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Figure 33

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of vomiting.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of vomiting. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 34

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of vomiting. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of diarrhoea. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 35

Network diagram for outcome of diarrhoea. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of diarrhoea.

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Figure 36

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of diarrhoea.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of diarrhoea. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 37

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of diarrhoea. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for outcome of pyrexia. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 38

Network diagram for outcome of pyrexia. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of pyrexia.

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Figure 39

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for outcome of pyrexia.

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of pyrexia. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 40

Cumulative rankogram comparing each of the methods of management of a miscarriage for the outcome of pyrexia. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for missed miscarriage subgroup analysis of outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

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Figure 41

Network diagram for missed miscarriage subgroup analysis of outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for missed miscarriage subgroup of complete miscarriage outcome.

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Figure 42

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for missed miscarriage subgroup of complete miscarriage outcome.

Cumulative rankogram comparing each of the methods of management of a miscarriage for missed miscarriage subgroup analysis for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

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Figure 43

Cumulative rankogram comparing each of the methods of management of a miscarriage for missed miscarriage subgroup analysis for the outcome of complete miscarriage. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for missed miscarriage subgroup analysis of outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Figuras y tablas -
Figure 44

Network diagram for missed miscarriage subgroup analysis of outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for missed miscarriage subgroup of the days of bleeding outcome.

Figuras y tablas -
Figure 45

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for missed miscarriage subgroup of the days of bleeding outcome.

Cumulative rankogram comparing each of the methods of management of a miscarriage for missed miscarriage subgroup analysis for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Figuras y tablas -
Figure 46

Cumulative rankogram comparing each of the methods of management of a miscarriage for missed miscarriage subgroup analysis for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Network diagram for incomplete miscarriage subgroup analysis of outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Figuras y tablas -
Figure 47

Network diagram for incomplete miscarriage subgroup analysis of outcome of complete miscarriage. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for incomplete miscarriage subgroup of complete miscarriage outcome.

Figuras y tablas -
Figure 48

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for incomplete miscarriage subgroup of complete miscarriage outcome.

Network diagram for incomplete miscarriage subgroup analysis of outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Figuras y tablas -
Figure 49

Network diagram for incomplete miscarriage subgroup analysis of outcome of days of bleeding. The nodes represent an intervention and their size is proportional to the number of trials comparing this intervention to any other in the network. The lines connecting each pair of interventions represent a direct comparison and are drawn proportional to the number of trials making each direct comparison. Numbers on the lines represent the number of trials and participants for each comparison. The colour of the line is green for high‐certainty evidence; light green for moderate‐certainty evidence; orange for low‐certainty evidence and red for very low‐certainty evidence. Multi‐arm trials contribute to more than one comparison.

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for incomplete miscarriage subgroup of the days of bleeding outcome.

Figuras y tablas -
Figure 50

Forest plot with relative risk ratios and 95% CIs from pairwise, indirect and network (combining direct and indirect) analyses for incomplete miscarriage subgroup of the days of bleeding outcome.

Cumulative rankogram comparing each of the methods of management of a miscarriage for incomplete miscarriage subgroup analysis for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Figuras y tablas -
Figure 51

Cumulative rankogram comparing each of the methods of management of a miscarriage for incomplete miscarriage subgroup analysis for the outcome of days of bleeding. Ranking indicates the cumulative probability of being the best method, the second best, the third best, etc. The x axis shows the relative ranking and the y‐axis the cumulative probability of each ranking. We estimate the SUrface underneath this Cumulative RAnking line (SUCRA); the larger the SUCRA the higher its rank among all available methods.

Comparison 1: Suction aspiration vs Misoprostol, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 1.1

Comparison 1: Suction aspiration vs Misoprostol, Outcome 1: Complete Miscarriage

Comparison 1: Suction aspiration vs Misoprostol, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 1.2

Comparison 1: Suction aspiration vs Misoprostol, Outcome 2: Composite outcome of death or serious complication

Comparison 1: Suction aspiration vs Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 1.3

Comparison 1: Suction aspiration vs Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 1: Suction aspiration vs Misoprostol, Outcome 4: Pain score

Figuras y tablas -
Analysis 1.4

Comparison 1: Suction aspiration vs Misoprostol, Outcome 4: Pain score

Comparison 1: Suction aspiration vs Misoprostol, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 1.5

Comparison 1: Suction aspiration vs Misoprostol, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Comparison 1: Suction aspiration vs Misoprostol, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Figuras y tablas -
Analysis 1.6

Comparison 1: Suction aspiration vs Misoprostol, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Comparison 1: Suction aspiration vs Misoprostol, Outcome 7: Days of bleeding

Figuras y tablas -
Analysis 1.7

Comparison 1: Suction aspiration vs Misoprostol, Outcome 7: Days of bleeding

Comparison 1: Suction aspiration vs Misoprostol, Outcome 8: Cervical tear

Figuras y tablas -
Analysis 1.8

Comparison 1: Suction aspiration vs Misoprostol, Outcome 8: Cervical tear

Comparison 1: Suction aspiration vs Misoprostol, Outcome 9: Mean duration of hospital stay (days)

Figuras y tablas -
Analysis 1.9

Comparison 1: Suction aspiration vs Misoprostol, Outcome 9: Mean duration of hospital stay (days)

Comparison 1: Suction aspiration vs Misoprostol, Outcome 10: Re‐admission to hospital

Figuras y tablas -
Analysis 1.10

Comparison 1: Suction aspiration vs Misoprostol, Outcome 10: Re‐admission to hospital

Comparison 1: Suction aspiration vs Misoprostol, Outcome 11: Nausea

Figuras y tablas -
Analysis 1.11

Comparison 1: Suction aspiration vs Misoprostol, Outcome 11: Nausea

Comparison 1: Suction aspiration vs Misoprostol, Outcome 12: Vomiting

Figuras y tablas -
Analysis 1.12

Comparison 1: Suction aspiration vs Misoprostol, Outcome 12: Vomiting

Comparison 1: Suction aspiration vs Misoprostol, Outcome 13: Diarrhoea

Figuras y tablas -
Analysis 1.13

Comparison 1: Suction aspiration vs Misoprostol, Outcome 13: Diarrhoea

Comparison 1: Suction aspiration vs Misoprostol, Outcome 14: Pyrexia

Figuras y tablas -
Analysis 1.14

Comparison 1: Suction aspiration vs Misoprostol, Outcome 14: Pyrexia

Comparison 1: Suction aspiration vs Misoprostol, Outcome 15: Anxiety score

Figuras y tablas -
Analysis 1.15

Comparison 1: Suction aspiration vs Misoprostol, Outcome 15: Anxiety score

Comparison 1: Suction aspiration vs Misoprostol, Outcome 16: Depression score

Figuras y tablas -
Analysis 1.16

Comparison 1: Suction aspiration vs Misoprostol, Outcome 16: Depression score

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 2.1

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 1: Complete Miscarriage

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 2.2

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 2: Composite outcome of death or serious complication

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 2.3

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 2.4

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 5: Re‐admission to hospital

Figuras y tablas -
Analysis 2.5

Comparison 2: Suction aspiration vs Mifepristone + Misoprostol, Outcome 5: Re‐admission to hospital

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 3.1

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 1: Complete Miscarriage

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 3.2

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 2: Composite outcome of death or serious complication

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 3.3

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 3.4

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 5: Mean volumes of blood loss (millilitres)

Figuras y tablas -
Analysis 3.5

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 5: Mean volumes of blood loss (millilitres)

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Figuras y tablas -
Analysis 3.6

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 7: Days of bleeding

Figuras y tablas -
Analysis 3.7

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 7: Days of bleeding

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 8: Cervical tear

Figuras y tablas -
Analysis 3.8

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 8: Cervical tear

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 9: Mean duration of hospital stay (days)

Figuras y tablas -
Analysis 3.9

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 9: Mean duration of hospital stay (days)

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 10: Re‐admission to hospital

Figuras y tablas -
Analysis 3.10

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 10: Re‐admission to hospital

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 11: Vomiting

Figuras y tablas -
Analysis 3.11

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 11: Vomiting

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 12: Pyrexia

Figuras y tablas -
Analysis 3.12

Comparison 3: Suction aspiration vs Dilatation & Curettage, Outcome 12: Pyrexia

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 4.1

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 4.2

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 4.3

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 4.4

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 5: Mean volumes of blood loss (millilitres)

Figuras y tablas -
Analysis 4.5

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 5: Mean volumes of blood loss (millilitres)

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Figuras y tablas -
Analysis 4.6

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 7: Days of bleeding

Figuras y tablas -
Analysis 4.7

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 7: Days of bleeding

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 8: Cervical tear

Figuras y tablas -
Analysis 4.8

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 8: Cervical tear

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 9: Mean duration of hospital stay (days)

Figuras y tablas -
Analysis 4.9

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 9: Mean duration of hospital stay (days)

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 10: Re‐admission to hospital

Figuras y tablas -
Analysis 4.10

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 10: Re‐admission to hospital

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 11: Vomiting

Figuras y tablas -
Analysis 4.11

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 11: Vomiting

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 12: Diarrhoea

Figuras y tablas -
Analysis 4.12

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 12: Diarrhoea

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 13: Pyrexia

Figuras y tablas -
Analysis 4.13

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 13: Pyrexia

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 14: Anxiety score

Figuras y tablas -
Analysis 4.14

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 14: Anxiety score

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 15: Depression score

Figuras y tablas -
Analysis 4.15

Comparison 4: Suction aspiration vs Expectant/ Placebo, Outcome 15: Depression score

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 5.1

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 1: Complete Miscarriage

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 5.2

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 2: Composite outcome of death or serious complication

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 5.3

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 5.4

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 4: Pelvic inflammatory disease, sepsis or endometritis

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 5: Change in haemoglobin measurements before and after the miscarriage

Figuras y tablas -
Analysis 5.5

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 5: Change in haemoglobin measurements before and after the miscarriage

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 6: Days of bleeding

Figuras y tablas -
Analysis 5.6

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 6: Days of bleeding

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 7: Re‐admission to hospital

Figuras y tablas -
Analysis 5.7

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 7: Re‐admission to hospital

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 8: Nausea

Figuras y tablas -
Analysis 5.8

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 8: Nausea

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 9: Vomiting

Figuras y tablas -
Analysis 5.9

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 9: Vomiting

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 10: Diarrhoea

Figuras y tablas -
Analysis 5.10

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 10: Diarrhoea

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 11: Pyrexia

Figuras y tablas -
Analysis 5.11

Comparison 5: Misoprostol vs Mifepristone + Misoprostol, Outcome 11: Pyrexia

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 6.1

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 1: Complete Miscarriage

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 6.2

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 2: Composite outcome of death or serious complication

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 6.3

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 4: Pain score

Figuras y tablas -
Analysis 6.4

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 4: Pain score

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 6.5

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 6: Mean volumes of blood loss (millilitres)

Figuras y tablas -
Analysis 6.6

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 6: Mean volumes of blood loss (millilitres)

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 7: Days of bleeding

Figuras y tablas -
Analysis 6.7

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 7: Days of bleeding

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 8: Cervical tear

Figuras y tablas -
Analysis 6.8

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 8: Cervical tear

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 9: Re‐admission to hospital

Figuras y tablas -
Analysis 6.9

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 9: Re‐admission to hospital

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 10: Vomiting

Figuras y tablas -
Analysis 6.10

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 10: Vomiting

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 11: Nausea

Figuras y tablas -
Analysis 6.11

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 11: Nausea

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 12: Diarrhoea

Figuras y tablas -
Analysis 6.12

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 12: Diarrhoea

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 13: Depression score

Figuras y tablas -
Analysis 6.13

Comparison 6: Misoprostol vs Dilatation & Curettage, Outcome 13: Depression score

Comparison 7: Misoprostol vs Suction aspiration + Cervical preparation, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 7.1

Comparison 7: Misoprostol vs Suction aspiration + Cervical preparation, Outcome 1: Complete Miscarriage

Comparison 7: Misoprostol vs Suction aspiration + Cervical preparation, Outcome 2: Pyrexia

Figuras y tablas -
Analysis 7.2

Comparison 7: Misoprostol vs Suction aspiration + Cervical preparation, Outcome 2: Pyrexia

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 8.1

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 8.2

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 8.3

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 4: Pain score

Figuras y tablas -
Analysis 8.4

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 4: Pain score

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 8.5

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Figuras y tablas -
Analysis 8.6

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 6: Change in haemoglobin measurements before and after the miscarriage

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 7: Days of bleeding

Figuras y tablas -
Analysis 8.7

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 7: Days of bleeding

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 8: Mean duration of hospital stay (days)

Figuras y tablas -
Analysis 8.8

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 8: Mean duration of hospital stay (days)

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 9: Re‐admission to hospital

Figuras y tablas -
Analysis 8.9

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 9: Re‐admission to hospital

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 10: Nausea

Figuras y tablas -
Analysis 8.10

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 10: Nausea

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 11: Vomiting

Figuras y tablas -
Analysis 8.11

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 11: Vomiting

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 12: Diarrhoea

Figuras y tablas -
Analysis 8.12

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 12: Diarrhoea

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 13: Pyrexia

Figuras y tablas -
Analysis 8.13

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 13: Pyrexia

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 14: Anxiety score

Figuras y tablas -
Analysis 8.14

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 14: Anxiety score

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 15: Depression score

Figuras y tablas -
Analysis 8.15

Comparison 8: Misoprostol vs Expectant/ Placebo, Outcome 15: Depression score

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 9.1

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 2: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 9.2

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 2: Pelvic inflammatory disease, sepsis or endometritis

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 3: Days of bleeding

Figuras y tablas -
Analysis 9.3

Comparison 9: Dilatation & Curettage vs Expectant/ Placebo, Outcome 3: Days of bleeding

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Figuras y tablas -
Analysis 10.1

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 1: Complete Miscarriage

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Figuras y tablas -
Analysis 10.2

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 2: Composite outcome of death or serious complication

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Figuras y tablas -
Analysis 10.3

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 3: Need for unplanned/emergency surgical procedure

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 4: Pain score

Figuras y tablas -
Analysis 10.4

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 4: Pain score

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Figuras y tablas -
Analysis 10.5

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 5: Pelvic inflammatory disease, sepsis or endometritis

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 6: Days of bleeding

Figuras y tablas -
Analysis 10.6

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 6: Days of bleeding

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 7: Pyrexia

Figuras y tablas -
Analysis 10.7

Comparison 10: Mifepristone + Misoprostol vs Expectant/ Placebo, Outcome 7: Pyrexia

Summary of findings 1. Complete miscarriage

Medical and surgical management compared with expectant management or placebo for treating missed early miscarriage

Patient or population: women with missed miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: complete miscarriage

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

2.12 (1.41 to 3.20)

⊕⊕⊖⊖

LOWa

Not reported by included studies

2.12 (1.41 to 3.20)

⊕⊕⊖⊖

LOWb

640 per 1000

1000 per 1000

360 more per 1,000 (from 182 more to 577 more)

Suction aspiration

1.44 (1.29 to 1.62)

⊕⊕⊖⊖

LOWc

1.27 (1.08 to 1.48)

⊕⊕⊕⊖

MODERATEd

1.72 (1.44 to 2.06)

⊕⊕⊕⊖

MODERATEf

640 per 1000

922 per 1000

282 more per 1,000 (from 186 more to 397 more)

Dilation and curettage

1.49 (1.26 to 1.75)

⊕⊕⊖⊖

LOWc

1.25 (1.12 to 1.39)

⊕⊕⊕⊖

MODERATEe

1.55 (1.29 to 1.86)

⊕⊕⊖⊖

LOWb

640 per 1000

954 per 1000

314 more per 1,000 (from 166 more to 480 more)

Mifepristone plus misoprostol

1.42 (1.22 to 1.66)

⊕⊕⊕⊖

MODERATEg

1.59 (1.01 to 2.51)

⊕⊕⊕⊖

MODERATEd

1.40 (1.16 to 1.70)

⊕⊕⊕⊖

MODERATEf

640 per 1000

909 per 1000

269 more per 1,000 (from 141 more to 422 more)

Misoprostol

1.30 (1.16 to 1.46)

⊕⊕⊖⊖

LOWc

1.85 (1.35 to 2.55)

⊕⊕⊕⊖

MODERATEd

1.14 (0.99 to 1.31)

⊕⊕⊕⊖

MODERATEf

640 per 1000

832 per 1000

192 more per 1,000 (from 102 more to 294 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect..

a Network evidence downgraded ‐2 due to low certainty indirect evidence (no intransitivity, incoherence, or imprecision)

b Indirect evidence downgraded ‐2 due to limitations in study design

c Network evidence downgraded ‐2 due to moderate certainty direct evidence and incoherence between direct and indirect estimates (no intransitivity, or imprecision)

d Direct evidence downgraded ‐1 due to severe unexplained statistical heterogeneity

e Direct evidence downgraded ‐1 due to serious imprecision

f Indirect evidence downgraded ‐1 due to severe unexplained statistical heterogeneity

g Network evidence downgraded ‐1 due to moderate certainty indirect evidence (no intransitivity, incoherence, or imprecision)

Figuras y tablas -
Summary of findings 1. Complete miscarriage
Summary of findings 2. Complete miscarriage (missed miscarriage subgroup)

Medical and surgical management compared with expectant management or placebo for treating missed early miscarriage

Patient or population: women with missed miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: complete miscarriage

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not estimable

Not reported by included studies

Not estimable

Not estimable

Not estimable

Not estimable

Suction aspiration

2.43

(1.69 to 3.49)

⊕⊕⊕⊖

MODERATEb

1.88

(1.68 to 2.12)

⊕⊕⊕⊕

HIGH

3.35

(1.94 to 5.81)

⊕⊖⊖⊖

VERY LOWa

455 per 1000

942 per 1000

487 more per 1000 (from 402 more to 580 more)

Dilation and curettage

2.07

(1.19 to 3.59)

⊕⊕⊕⊕

HIGH

Not reported by included studies

Not estimable

455 per 1000

1000 per 1000

545 more per 1000 (from 313 more to 847 more)

Mifepristone plus misoprostol

1.82

(1.28 to 2.58)

⊕⊕⊕⊖

MODERATEb

1.25

(1.09 to 1.45)

⊕⊕⊕⊕

HIGH

2.40

(1.58 to 3.65)

⊕⊕⊕⊖

MODERATEc

455 per 1000

828 per 1000

373 more per 1000 (from 127 more to 719 more)

Misoprostol

1.67

(1.18 to 2.37)

⊕⊕⊖⊖

LOWe

3.18

(1.48 to 6.85)

⊕⊕⊕⊖

MODERATEd

1.16

(0.81 to 1.67)

⊕⊕⊕⊖

MODERATEc

455 per 1000

760 per 1000

305 more per 1000 (from 82 more to 623 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Indirect evidence downgraded ‐3 due to multiple crucial limitations in study design, severe unexplained statistical heterogeneity and imprecision

b Network evidence downgraded ‐1 due to high certainty direct evidence and incoherence between direct and indirect estimates (no intransitivity, or imprecision)

c Indirect evidence downgraded ‐1 due to severe unexplained statistical heterogeneity

d Direct evidence downgraded ‐1 due to severe unexplained statistical heterogeneity

e Network evidence downgraded ‐2 due to moderate certainty indirect evidence and incoherence between direct and indirect estimates (no intransitivity, or imprecision)

Figuras y tablas -
Summary of findings 2. Complete miscarriage (missed miscarriage subgroup)
Summary of findings 3. Complete miscarriage (incomplete miscarriage subgroup)

Medical and surgical management compared with expectant management or placebo for treating incomplete early miscarriage

Patient or population: women with incomplete miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: complete miscarriage

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Quality of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not estimable

Not reported by included studies

Not estimable

Not estimable

Not estimable

Not estimable

Suction aspiration

1.19

(1.09 to 1.31)

⊕⊕⊕⊖

MODERATEc

1.20

(0.85 to 1.69)

⊕⊖⊖⊖

VERY LOWa

1.28

(1.11 to 1.48)

⊕⊕⊖⊖

LOWb

767 per 1000

913 per 1000

146 more per 1000 (from 69 more to 238 more)

Dilation and curettage

1.19

(1.08 to 1.31)

⊕⊕⊕⊖

MODERATEf

1.25

(1.12 to 1.39)

⊕⊕⊕⊖

MODERATEd

1.15

(1.02 to 1.30)

⊕⊖⊖⊖

VERY LOWe

767 per 1000

913 per 1000

146 more per 1000 (from 61 more to 238 more)

Mifepristone plus misoprostol

1.08

(0.87 to 1.34)

⊕⊖⊖⊖

VERY LOWh

1.08

(0.90 to 1.30)

⊕⊖⊖⊖

VERY LOWg

Not estimable

767 per 1000

828 per 1000

61 more per 1000 (from 100 fewer to 261 more)

Misoprostol

1.14

(1.03 to 1.25)

⊕⊕⊕⊖

MODERATEj

1.04

(0.70 to 1.54)

⊕⊕⊖⊖

LOWi

1.12

(1.02 to 1.24)

⊕⊖⊖⊖

VERY LOWe

767 per 1000

874 per 1000

107 more per 1000 (from 23 more to 192 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Direct evidence downgraded ‐3 due to multiple crucial limitations in study design, severe unexplained statistical heterogeneity and imprecision

b Indirect evidence downgraded ‐2 due to serious imprecision

c Network evidence downgraded ‐1 due to low certainty indirect evidence upgraded by 1 as it was downgraded for imprecision

d Direct evidence downgraded ‐1 due to serious imprecision

e Indirect evidence downgraded ‐3 due to multiple crucial limitations in study design, severe unexplained statistical heterogeneity and imprecision

f Network evidence downgraded ‐1 due to moderate certainty direct evidence (no intransitivity, incoherence, or imprecision)

g Direct evidence downgraded ‐3 due to multiple crucial limitations in study design and imprecision

h Network evidence downgraded ‐3 due to very low certainty direct evidence (no intransitivity, incoherence, or imprecision)

i Direct evidence downgraded ‐2 due to serious imprecision

j Network evidence downgraded ‐1 due to low certainty direct evidence upgraded by 1 as network evidence is precise

Figuras y tablas -
Summary of findings 3. Complete miscarriage (incomplete miscarriage subgroup)
Summary of findings 4. Composite outcome of death or serious complication

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with missed or incomplete miscarriage at ≤14 weeks gestation

Settings: Hospital

Intervention: multiple interventions (suction aspiration, misoprostol, dilation plus curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management

Outcome: composite outcome of death or serious complication

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not reported by included studies

Not reported by included studies

Not reported by included studies

Not estimable

Not estimable

Not estimable

Suction aspiration

0.55 (0.23 to 1.32)

⊕⊕⊖⊖

LOWc

0.43

(0.12 to 1.53)

⊕⊕⊖⊖

LOWa

0.97

(0.21 to 4.40)

⊕⊕⊖⊖

LOWb

19 per 1000

10 per 1000

9 fewer per 1000 (from 15 fewer to 6 more)

Dilation and curettage

0.43 (0.17 to 1.06)

⊕⊕⊖⊖

LOWd

Not reported by included studies

0.43

(0.17 to 1.06)

⊕⊕⊖⊖

LOWb

19 per 1000

8 per 1000

11 fewer per 1000 (from 16 fewer to 1 more)

Mifepristone plus misoprostol

0.76 (0.31 to 1.84)

⊕⊕⊖⊖

LOWc

0.46

(0.13 to 1.63)

⊕⊕⊖⊖

LOWa

1.38

(0.37 to 5.17)

⊕⊕⊖⊖

LOWb

19 per 1000

14 per 1000

5 fewer per 1000 (from 13 fewer to 16 more)

Misoprostol

0.50 (0.22 to 1.15)

⊕⊕⊖⊖

LOWd

0.96

(0.06 to 15.08)

⊕⊕⊖⊖

LOWa

0.35

(0.13 to 0.97)

⊕⊕⊖⊖

LOWb

19 per 1000

10 per 1000

9 fewer per 1000 (from 15 fewer to 3 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Direct evidence downgraded ‐2 due to very serious imprecision

b Indirect evidence downgraded ‐2 due to very serious imprecision

c Network evidence downgraded ‐2 due to low certainty direct evidence (no intransitivity or incoherence)

d Network evidence downgraded ‐2 due to low certainty indirect evidence (no intransitivity or incoherence)

Figuras y tablas -
Summary of findings 4. Composite outcome of death or serious complication
Summary of findings 5. Need for unplanned/emergency surgical procedure

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with a miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: need for unplanned/emergency surgical procedure

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not estimable

Not reported by included studies

Not estimable

Not estimable

Not estimable

Not estimable

Suction aspiration

0.37

(0.22 to 0.65)

⊕⊕⊕⊖

MODERATEb

0.51

(0.30 to 0.87)

⊕⊕⊕⊕

HIGH

0.13

(0.05 to 0.35)

⊕⊕⊖⊖

LOWa

120 per 1000

44 per 1000

76 fewer per 1000 (from 42 fewer to 94 fewer)

Dilation and curettage

0.80 (0.09 to 7.02)

⊕⊖⊖⊖

VERY LOWc

Not reported by included studies

Not estimable

120 per 1000

96 per 1000

24 fewer per 1000 (from 109 fewer to 722 more)

Mifepristone plus misoprostol

0.64

(0.33 to 1.23)

⊕⊕⊖⊖

LOWe

0.32 (0.11 to 0.90)

⊕⊕⊕⊖

MODERATEd

0.91

(0.43 to 1.93)

⊕⊕⊖⊖

LOWa

120 per 1000

77 per 1000

43 less per 1000 (from 80 fewer to 28 more)

Misoprostol

1.04

(0.56 to 1.95)

⊕⊕⊖⊖

LOWg

0.67

(0.23 to 1.95)

⊕⊕⊖⊖

LOWf

1.28 (0.61 to 2.66)

⊕⊕⊖⊖

LOWa

120 per 1000

125 per 1000

5 more per 1000 (from 53 fewer to 114 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Indirect evidence downgraded ‐2 due to serious imprecision

b Network evidence downgraded ‐1 due to high certainty direct evidence downgraded due to incoherence

c Network evidence downgraded ‐1 due to low certainty indirect loop further downgraded due to imprecision

d Direct evidence downgraded ‐1 due to imprecision

e Network evidence downgraded ‐1 due to moderate certainty direct evidence downgraded due to incoherence

f Direct evidence downgraded ‐2 due to serious imprecision

g Network evidence downgraded due to low certainty indirect evidence with imprecision but not further downgraded as indirect evidence previously downgraded for imprecision

Figuras y tablas -
Summary of findings 5. Need for unplanned/emergency surgical procedure
Summary of findings 6. Pain scores (visual analogue scale)

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with a miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: pain scores (visual analogue scale)

Intervention

Anticipated absolute effects* (95% CI)

№ of participants
(studies)

Certainty of the evidence
(GRADE)

Comments

Risk with standard care

Risk with intervention

Suction aspiration plus cervical preparation

The mean pain score was 0

Not reported by included studies

Suction aspiration

The mean pain score was 0

Not reported by included studies

Dilation and curettage

The mean pain score was 0

Not reported by included studies

Mifepristone plus misoprostol

The pain score in the mifepristone plus misoprostol group was

on average 0.14 higher (from 0.21 lower to 0.5 higher) than in the

expectant management or placebo group

122
(1 RCT)

⊕⊕⊝⊝
LOW a,b

small effect

Misoprostol

The pain score in the misoprostol group was on average 0.33

higher (from 0.08 lower to 0.57 higher) than in the expectant

management or placebo group

262
(3 RCTs)

⊕⊕⊝⊝
LOW a,b

small effect

*The risk in the intervention group (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).

CI: Confidence interval; RR: Risk ratio; OR: Odds ratio;

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a ‐1 as patient reported outcome

b ‐1 due to imprecision

Figuras y tablas -
Summary of findings 6. Pain scores (visual analogue scale)
Summary of findings 7. Pelvic inflammatory disease, sepsis or endometritis

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with a miscarriage at ≤14 weeks gestation

Settings: Hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: pelvic inflammatory disease, sepsis or endometritis

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Relative effect
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not estimable

Not reported by included studies

Not estimable

Not estimable

Not estimable

Not estimable

Suction aspiration

1.42 (0.88 to 2.28)

⊕⊕⊕⊖

MODERATEc

1.35

(0.76 to 2.41)

⊕⊕⊕⊖

MODERATEa

1.55

(0.66 to 3.68)

⊕⊕⊖⊖

LOWb

36 per 1000

51 per 1000

15 more per 1000 (from 4 fewer to 46 more)

Dilation and curettage

1.85 (1.05 to 3.25)

⊕⊖⊖⊖

VERY LOWf

3.30 (0.82 to 13.28)

⊕⊕⊖⊖

LOWd

1.65 (0.89 to 3.06)

⊕⊖⊖⊖

VERY LOWe

36 per 1000

67 per 1000

31 more 1000 (from 2 more to 81 more)

Mifepristone plus misoprostol

0.90

(0.48 to 1.68)

⊕⊕⊖⊖

LOWg

0.73 (0.30 to 1.80)

⊕⊕⊖⊖

LOWd

1.11

(0.47 to 2.64)

⊕⊕⊖⊖

LOWb

36 per 1000

32 per 1000

4 fewer per 1000 (from 19 fewer to 25 more)

Misoprostol

1.08

(0.62 to 1.88)

⊕⊕⊕⊖

MODERATEc

1.84

(0.35 to 9.68)

⊕⊕⊖⊖

LOWd

1.10 (0.56 to 2.16)

⊕⊕⊕⊖

MODERATEh

36 per 1000

39 per 1000

3 more per 1000 (from 14 fewer to 32 more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Direct evidence downgraded ‐1 due to imprecision

b Indirect evidence downgraded ‐2 due to serious imprecision

c Network evidence downgraded ‐1 due to moderate certainty direct evidence not further downgraded due to imprecision as direct evidence previously downgraded for imprecision

d Direct evidence downgraded ‐2 due to serious imprecision

e Indirect evidence downgraded ‐3 due to serious design limitations and imprecision in direct evidence

f Network evidence downgraded ‐3 due to very low certainty indirect evidence, further downgraded ‐1 for incoherence but upgraded +1 as network is precise

g Network evidence downgraded ‐2 due to low certainty direct evidence, not further downgraded due to imprecision as direct evidence previously downgraded for imprecision

h Indirect evidence downgraded ‐1 due to imprecision in direct evidence

Figuras y tablas -
Summary of findings 7. Pelvic inflammatory disease, sepsis or endometritis
Summary of findings 8. Days of bleeding

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with a miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: days of bleeding

Intervention

Network evidence

Direct evidence

Indirect evidence

Illustrative comparative risks* (95% CI) for NMA estimate

Mean difference
(95% CI)

Certainty of the evidence
(GRADE)

Mean difference
(95% CI)

Certainty of the evidence
(GRADE)

Mean difference
(95% CI)

Certainty of the evidence
(GRADE)

Risk
with
standard care

Risk
with
intervention

Risk difference
with
intervention

Suction aspiration plus cervical preparation

Not estimable

Not reported by included studies

Not estimable

Not estimable

Not estimable

Not estimable

Suction aspiration

‐2.00 (‐3.01 to ‐0.99)

⊕⊖⊖⊖

VERY LOWc

‐2.75

(‐4.08 to ‐1.42)

⊕⊕⊖⊖

LOWa

‐0.73

(‐2.12 to 0.66)

⊕⊖⊖⊖

VERY LOWb

10 days

8 days

2 days less (from 0.99 days less to 3.01 days less)

Dilation and curettage

‐1.96 (‐3.48 to ‐0.45)

⊕⊕⊖⊖

LOWf

‐1.26 (‐2.27 to ‐0.25)

⊕⊕⊖⊖

LOWd

‐2.47 (‐4.47 to ‐0.46)

⊕⊖⊖⊖

VERY LOWe

10 days

8.04 days

1.96 days less (from 0.45 days less to 3.48 days less)

Mifepristone plus misoprostol

‐0.14

(‐1.71 to 1.43)

⊕⊖⊖⊖

VERY LOWh

0.70 (‐0.43 to 1.83)

⊕⊖⊖⊖

VERY LOWg

‐0.77 (‐2.83 to 1.30)

⊕⊖⊖⊖

VERY LOWb

10 days

9.86 days

0.14 days less (from 1.71 days less to 1.43 days more)

Misoprostol

‐0.47

(‐1.53 to 0.60)

⊕⊖⊖⊖

VERY LOWk

0.32

(‐2.19 to 2.84)

⊕⊖⊖⊖

VERY LOWi

‐0.96 (‐2.27 to 0.35)

⊕⊕⊖⊖

LOWj

10 days

9.53 days

0.47 days less (from 1.53 days less to 0.60 days more)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; RR: Risk Ratio

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a Direct evidence downgraded ‐2 due to patient reported outcome and significant heterogeneity

b Indirect evidence downgraded ‐4 due to patient reported outcome, significant heterogeneity and serious imprecision

c Network evidence downgraded ‐4 due to low certainty direct evidence, further downgraded due to incoherence and not upgraded as direct grade not downgraded for imprecision

d Direct evidence downgraded ‐2 due to patient reported outcome and imprecision

e Indirect evidence downgraded ‐4 due to very low certainty direct evidence which was due to patient reported outcome, moderate design limitations and serious imprecision

f Network evidence downgraded ‐2 due to low certainty direct evidence, further downgraded ‐1 for incoherence but upgraded +1 as network is precise and direct evidence was previously downgraded for imprecision

g Direct evidence downgraded ‐3 due to patient reported outcome and serious imprecision

h Network evidence downgraded ‐5 due to very low certainty direct evidence, further downgraded due to incoherence but not even further downgraded due to imprecision as direct evidence previously downgraded for imprecision

i Direct evidence downgraded ‐4 due to patient reported outcome, significant heterogeneity and serious imprecision

j Indirect evidence downgraded ‐2 due to patient reported outcome and significant heterogeneity

k Network evidence downgraded ‐3 due to low certainty indirect evidence downgraded ‐1 due to imprecision

Figuras y tablas -
Summary of findings 8. Days of bleeding
Summary of findings 9. Women’s views/satisfaction

Medical and surgical management compared with expectant management or placebo for treating early miscarriage

Patient or population: women with a miscarriage at ≤14 weeks gestation

Settings: hospital or other healthcare facility

Intervention: multiple interventions (suction aspiration, misoprostol, dilation and curettage, mifepristone plus misoprostol, suction aspiration plus cervical preparation)

Comparison (reference): expectant management or placebo

Outcome: women's views/ satisfaction

Intervention

Narrative synthesis

№ of participants
(studies)

Certainty of the evidence
(GRADE)

Comments

Suction aspiration plus cervical preparation

Not reported by included studies

(0 RCTs)

Suction aspiration

2 trials described 92 out of 96 women (98.5%) as being satisfied with suction aspiration compared to 97 out of 99 women (98.0%) for expectant management or placebo. 1 trial used a 10 point numerical scale and found suction aspiration had a satisfaction score of 7.57 from 175 women and expectant management or placebo also had a 7.57 score from 177 women.

547
(3 RCTs)

⊕⊕⊕⊝
MODERATEa

Dilatation and curettage

Not reported by included studies

(0 RCTs)

Mifepristone plus misoprostol

1 trial used a visual analogue scale and found Mifepristone plus misoprostol had a score of 28.6 (SD 24.8) from 60 women compared to 25.2 (SD 25.6) from 62 women for expectant management or placebo

122
(1 RCT)

⊕⊝⊝⊝
VERY LOW a,b,c

Misoprostol

1 trial used a visual analogue scale and found misoprostol had a score of 8.9 (+/‐ 1.3) compared to 8.7 (+/‐ 1.5) for expectant management or placebo with 52 women in each arm. 1 trial described 14 out of 16 (87.5%) women as being satisfied with misoprostol compared to 12 out of 16 (75%) women as being satisfied with expectant management or placebo

136
(2 RCTs)

⊕⊕⊝⊝
LOWa,c

GRADE Working Group grades of evidence
High certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

a‐1 no meta‐analysis possible, narrative synthesis was conducted, estimates are not precise

b ‐1 due to design limitations

c ‐1 due to imprecision

Figuras y tablas -
Summary of findings 9. Women’s views/satisfaction
Comparison 1. Suction aspiration vs Misoprostol

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1.1 Complete Miscarriage Show forest plot

23

Risk Ratio (IV, Random, 95% CI)

Subtotals only

1.1.1 Missed miscarriage

3

308

Risk Ratio (IV, Random, 95% CI)

1.51 [1.14, 2.01]

1.1.2 Incomplete miscarriage

14

3474

Risk Ratio (IV, Random, 95% CI)

1.03 [1.01, 1.05]

1.1.3 Mixed population

6

1706

Risk Ratio (IV, Random, 95% CI)

1.19 [1.06, 1.32]

1.2 Composite outcome of death or serious complication Show forest plot

9

2146

Risk Ratio (IV, Random, 95% CI)

1.53 [0.45, 5.16]

1.3 Need for unplanned/emergency surgical procedure Show forest plot

9

1078

Risk Ratio (IV, Random, 95% CI)

0.19 [0.10, 0.37]

1.4 Pain score Show forest plot

8

2857

Std. Mean Difference (IV, Random, 95% CI)

0.08 [‐0.35, 0.51]

1.5 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

12

2989

Risk Ratio (IV, Random, 95% CI)

1.27 [0.67, 2.41]

1.6 Change in haemoglobin measurements before and after the miscarriage Show forest plot

7

2706

Mean Difference (IV, Random, 95% CI)

‐0.17 [‐0.29, ‐0.05]

1.7 Days of bleeding Show forest plot

7

Mean Difference (IV, Random, 95% CI)

Subtotals only

1.8 Cervical tear Show forest plot

5

1252

Risk Ratio (IV, Random, 95% CI)

7.18 [0.84, 61.00]

1.9 Mean duration of hospital stay (days) Show forest plot

1

635

Mean Difference (IV, Random, 95% CI)

‐0.40 [‐0.68, ‐0.12]

1.10 Re‐admission to hospital Show forest plot

2

554

Risk Ratio (IV, Random, 95% CI)

0.77 [0.27, 2.21]

1.11 Nausea Show forest plot

13

3605

Risk Ratio (IV, Random, 95% CI)

0.52 [0.35, 0.76]

1.12 Vomiting Show forest plot

13

3447

Risk Ratio (IV, Random, 95% CI)

0.50 [0.38, 0.68]

1.13 Diarrhoea Show forest plot

9

1769

Risk Ratio (IV, Random, 95% CI)

0.39 [0.26, 0.60]

1.14 Pyrexia Show forest plot

15

4129

Risk Ratio (IV, Random, 95% CI)

0.37 [0.22, 0.61]

1.15 Anxiety score Show forest plot

2

719

Std. Mean Difference (IV, Random, 95% CI)

‐0.08 [‐0.24, 0.09]

1.16 Depression score Show forest plot

2

719

Std. Mean Difference (IV, Random, 95% CI)

‐0.17 [‐0.46, 0.12]

Figuras y tablas -
Comparison 1. Suction aspiration vs Misoprostol
Comparison 2. Suction aspiration vs Mifepristone + Misoprostol

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

2.1 Complete Miscarriage Show forest plot

2

Risk Ratio (IV, Random, 95% CI)

Subtotals only

2.1.1 Missed miscarriage

1

618

Risk Ratio (IV, Random, 95% CI)

1.50 [1.37, 1.64]

2.1.2 Mixed population

1

98

Risk Ratio (IV, Random, 95% CI)

1.11 [1.01, 1.23]

2.2 Composite outcome of death or serious complication Show forest plot

1

618

Risk Ratio (IV, Random, 95% CI)

0.14 [0.01, 2.74]

2.3 Need for unplanned/emergency surgical procedure Show forest plot

1

98

Risk Ratio (IV, Random, 95% CI)

1.00 [0.06, 15.54]

2.4 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

2

716

Risk Ratio (IV, Random, 95% CI)

2.33 [0.47, 11.44]

2.5 Re‐admission to hospital Show forest plot

1

98

Risk Ratio (IV, Random, 95% CI)

0.14 [0.01, 2.69]

Figuras y tablas -
Comparison 2. Suction aspiration vs Mifepristone + Misoprostol
Comparison 3. Suction aspiration vs Dilatation & Curettage

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

3.1 Complete Miscarriage Show forest plot

5

Risk Ratio (IV, Random, 95% CI)

Subtotals only

3.1.1 Incomplete miscarriage

4

1432

Risk Ratio (IV, Random, 95% CI)

1.02 [0.98, 1.06]

3.1.2 Mixed population

1

90

Risk Ratio (IV, Random, 95% CI)

1.05 [0.94, 1.17]

3.2 Composite outcome of death or serious complication Show forest plot

5

1521

Risk Ratio (IV, Random, 95% CI)

1.27 [0.80, 2.02]

3.3 Need for unplanned/emergency surgical procedure Show forest plot

2

693

Risk Ratio (IV, Random, 95% CI)

0.33 [0.01, 8.07]

3.4 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

3

822

Risk Ratio (IV, Random, 95% CI)

0.77 [0.53, 1.11]

3.5 Mean volumes of blood loss (millilitres) Show forest plot

2

451

Mean Difference (IV, Random, 95% CI)

‐11.44 [‐21.49, ‐1.40]

3.6 Change in haemoglobin measurements before and after the miscarriage Show forest plot

2

370

Mean Difference (IV, Random, 95% CI)

‐0.41 [‐0.68, ‐0.14]

3.7 Days of bleeding Show forest plot

1

270

Mean Difference (IV, Random, 95% CI)

‐0.30 [‐1.30, 0.70]

3.8 Cervical tear Show forest plot

2

558

Risk Ratio (IV, Random, 95% CI)

0.49 [0.20, 1.18]

3.9 Mean duration of hospital stay (days) Show forest plot

3

220

Mean Difference (IV, Random, 95% CI)

‐0.56 [‐0.89, ‐0.23]

3.10 Re‐admission to hospital Show forest plot

2

1042

Risk Ratio (IV, Random, 95% CI)

1.61 [0.62, 4.16]

3.11 Vomiting Show forest plot

1

599

Risk Ratio (IV, Random, 95% CI)

2.31 [0.60, 8.85]

3.12 Pyrexia Show forest plot

3

1157

Risk Ratio (IV, Random, 95% CI)

1.31 [0.85, 2.02]

Figuras y tablas -
Comparison 3. Suction aspiration vs Dilatation & Curettage
Comparison 4. Suction aspiration vs Expectant/ Placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

4.1 Complete Miscarriage Show forest plot

7

Risk Ratio (IV, Random, 95% CI)

Subtotals only

4.1.1 Missed miscarriage

1

616

Risk Ratio (IV, Random, 95% CI)

1.88 [1.68, 2.12]

4.1.2 Incomplete miscarriage

2

300

Risk Ratio (IV, Random, 95% CI)

1.20 [0.85, 1.69]

4.1.3 Mixed population

4

776

Risk Ratio (IV, Random, 95% CI)

1.18 [1.11, 1.25]

4.2 Composite outcome of death or serious complication Show forest plot

5

1485

Risk Ratio (IV, Random, 95% CI)

0.43 [0.12, 1.53]

4.3 Need for unplanned/emergency surgical procedure Show forest plot

4

842

Risk Ratio (IV, Random, 95% CI)

0.51 [0.30, 0.87]

4.4 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

8

1725

Risk Ratio (IV, Random, 95% CI)

1.35 [0.76, 2.41]

4.5 Mean volumes of blood loss (millilitres) Show forest plot

1

352

Mean Difference (IV, Random, 95% CI)

‐23.00 [‐40.41, ‐5.59]

4.6 Change in haemoglobin measurements before and after the miscarriage Show forest plot

3

603

Mean Difference (IV, Random, 95% CI)

0.18 [0.10, 0.25]

4.7 Days of bleeding Show forest plot

4

Mean Difference (IV, Random, 95% CI)

Subtotals only

4.8 Cervical tear Show forest plot

2

492

Risk Ratio (IV, Random, 95% CI)

Not estimable

4.9 Mean duration of hospital stay (days) Show forest plot

1

140

Mean Difference (IV, Random, 95% CI)

0.99 [0.74, 1.24]

4.10 Re‐admission to hospital Show forest plot

2

463

Risk Ratio (IV, Random, 95% CI)

0.72 [0.15, 3.41]

4.11 Vomiting Show forest plot

1

111

Risk Ratio (IV, Random, 95% CI)

0.82 [0.19, 3.50]

4.12 Diarrhoea Show forest plot

1

111

Risk Ratio (IV, Random, 95% CI)

1.82 [0.71, 4.67]

4.13 Pyrexia Show forest plot

1

111

Risk Ratio (IV, Random, 95% CI)

3.28 [0.69, 15.57]

4.14 Anxiety score Show forest plot

1

111

Std. Mean Difference (IV, Random, 95% CI)

‐0.12 [‐0.49, 0.26]

4.15 Depression score Show forest plot

1

111

Std. Mean Difference (IV, Random, 95% CI)

‐0.29 [‐0.67, 0.08]

Figuras y tablas -
Comparison 4. Suction aspiration vs Expectant/ Placebo
Comparison 5. Misoprostol vs Mifepristone + Misoprostol

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

5.1 Complete Miscarriage Show forest plot

7

Risk Ratio (IV, Random, 95% CI)

Subtotals only

5.1.1 Missed miscarriage

7

1812

Risk Ratio (IV, Random, 95% CI)

0.87 [0.79, 0.97]

5.2 Composite outcome of death or serious complication Show forest plot

7

1822

Risk Ratio (IV, Random, 95% CI)

0.50 [0.20, 1.25]

5.3 Need for unplanned/emergency surgical procedure Show forest plot

6

1527

Risk Ratio (IV, Random, 95% CI)

1.55 [1.22, 1.96]

5.4 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

5

1617

Risk Ratio (IV, Random, 95% CI)

1.02 [0.54, 1.92]

5.5 Change in haemoglobin measurements before and after the miscarriage Show forest plot

1

90

Mean Difference (IV, Random, 95% CI)

0.02 [‐0.18, 0.22]

5.6 Days of bleeding Show forest plot

2

Mean Difference (IV, Random, 95% CI)

Subtotals only

5.7 Re‐admission to hospital Show forest plot

1

344

Risk Ratio (IV, Random, 95% CI)

2.30 [1.48, 3.58]

5.8 Nausea Show forest plot

2

570

Risk Ratio (IV, Random, 95% CI)

0.74 [0.39, 1.39]

5.9 Vomiting Show forest plot

1

300

Risk Ratio (IV, Random, 95% CI)

0.57 [0.36, 0.90]

5.10 Diarrhoea Show forest plot

2

570

Risk Ratio (IV, Random, 95% CI)

1.09 [0.83, 1.44]

5.11 Pyrexia Show forest plot

4

685

Risk Ratio (IV, Random, 95% CI)

0.74 [0.34, 1.62]

Figuras y tablas -
Comparison 5. Misoprostol vs Mifepristone + Misoprostol
Comparison 6. Misoprostol vs Dilatation & Curettage

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

6.1 Complete Miscarriage Show forest plot

4

Risk Ratio (IV, Random, 95% CI)

Subtotals only

6.1.1 Missed miscarriage

1

107

Risk Ratio (IV, Random, 95% CI)

0.81 [0.71, 0.93]

6.1.2 Incomplete miscarriage

1

94

Risk Ratio (IV, Random, 95% CI)

0.92 [0.83, 1.01]

6.1.3 Mixed population

2

154

Risk Ratio (IV, Random, 95% CI)

0.32 [0.07, 1.47]

6.2 Composite outcome of death or serious complication Show forest plot

2

157

Risk Ratio (IV, Random, 95% CI)

1.26 [0.54, 2.97]

6.3 Need for unplanned/emergency surgical procedure Show forest plot

1

94

Risk Ratio (IV, Random, 95% CI)

Not estimable

6.4 Pain score Show forest plot

1

94

Std. Mean Difference (IV, Random, 95% CI)

0.51 [0.10, 0.92]

6.5 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

2

201

Risk Ratio (IV, Random, 95% CI)

2.12 [0.20, 22.64]

6.6 Mean volumes of blood loss (millilitres) Show forest plot

1

104

Mean Difference (IV, Random, 95% CI)

22.30 [4.45, 40.15]

6.7 Days of bleeding Show forest plot

1

94

Mean Difference (IV, Random, 95% CI)

2.60 [1.27, 3.93]

6.8 Cervical tear Show forest plot

1

107

Risk Ratio (IV, Random, 95% CI)

Not estimable

6.9 Re‐admission to hospital Show forest plot

1

107

Risk Ratio (IV, Random, 95% CI)

3.17 [0.13, 76.11]

6.10 Vomiting Show forest plot

1

94

Risk Ratio (IV, Random, 95% CI)

0.33 [0.01, 7.98]

6.11 Nausea Show forest plot

1

94

Risk Ratio (IV, Random, 95% CI)

0.33 [0.01, 7.98]

6.12 Diarrhoea Show forest plot

1

94

Risk Ratio (IV, Random, 95% CI)

3.00 [0.13, 71.82]

6.13 Depression score Show forest plot

1

215

Std. Mean Difference (IV, Random, 95% CI)

‐0.09 [‐0.36, 0.18]

Figuras y tablas -
Comparison 6. Misoprostol vs Dilatation & Curettage
Comparison 7. Misoprostol vs Suction aspiration + Cervical preparation

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

7.1 Complete Miscarriage Show forest plot

1

Risk Ratio (IV, Random, 95% CI)

Subtotals only

7.2 Pyrexia Show forest plot

1

200

Risk Ratio (IV, Random, 95% CI)

2.50 [0.81, 7.71]

Figuras y tablas -
Comparison 7. Misoprostol vs Suction aspiration + Cervical preparation
Comparison 8. Misoprostol vs Expectant/ Placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

8.1 Complete Miscarriage Show forest plot

10

Risk Ratio (IV, Random, 95% CI)

Subtotals only

8.1.1 Missed miscarriage

4

322

Risk Ratio (IV, Random, 95% CI)

3.18 [1.48, 6.85]

8.1.2 Incomplete miscarriage

2

108

Risk Ratio (IV, Random, 95% CI)

1.91 [0.44, 8.20]

8.1.3 Mixed population

4

408

Risk Ratio (IV, Random, 95% CI)

1.45 [0.97, 2.16]

8.2 Composite outcome of death or serious complication Show forest plot

6

548

Risk Ratio (IV, Random, 95% CI)

0.96 [0.06, 15.08]

8.3 Need for unplanned/emergency surgical procedure Show forest plot

5

437

Risk Ratio (IV, Random, 95% CI)

0.67 [0.23, 1.95]

8.4 Pain score Show forest plot

3

262

Std. Mean Difference (IV, Random, 95% CI)

0.33 [0.08, 0.57]

8.5 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

6

615

Risk Ratio (IV, Random, 95% CI)

1.84 [0.35, 9.68]

8.6 Change in haemoglobin measurements before and after the miscarriage Show forest plot

2

167

Mean Difference (IV, Random, 95% CI)

0.15 [‐0.21, 0.52]

8.7 Days of bleeding Show forest plot

3

Mean Difference (IV, Random, 95% CI)

Subtotals only

8.8 Mean duration of hospital stay (days) Show forest plot

1

184

Mean Difference (IV, Random, 95% CI)

‐0.10 [‐0.19, ‐0.01]

8.9 Re‐admission to hospital Show forest plot

3

335

Risk Ratio (IV, Random, 95% CI)

1.25 [0.46, 3.35]

8.10 Nausea Show forest plot

5

389

Risk Ratio (IV, Random, 95% CI)

1.15 [0.93, 1.42]

8.11 Vomiting Show forest plot

6

506

Risk Ratio (IV, Random, 95% CI)

1.37 [0.75, 2.52]

8.12 Diarrhoea Show forest plot

7

560

Risk Ratio (IV, Random, 95% CI)

1.69 [1.05, 2.73]

8.13 Pyrexia Show forest plot

3

275

Risk Ratio (IV, Random, 95% CI)

4.03 [1.16, 13.97]

8.14 Anxiety score Show forest plot

1

117

Std. Mean Difference (IV, Random, 95% CI)

‐0.14 [‐0.51, 0.22]

8.15 Depression score Show forest plot

1

117

Std. Mean Difference (IV, Random, 95% CI)

0.08 [‐0.29, 0.44]

Figuras y tablas -
Comparison 8. Misoprostol vs Expectant/ Placebo
Comparison 9. Dilatation & Curettage vs Expectant/ Placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

9.1 Complete Miscarriage Show forest plot

1

Risk Ratio (IV, Random, 95% CI)

Subtotals only

9.1.1 Incomplete miscarriage

1

155

Risk Ratio (IV, Random, 95% CI)

1.25 [1.12, 1.39]

9.2 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

1

155

Risk Ratio (IV, Random, 95% CI)

3.30 [0.82, 13.28]

9.3 Days of bleeding Show forest plot

1

155

Mean Difference (IV, Random, 95% CI)

‐1.26 [‐2.27, ‐0.25]

Figuras y tablas -
Comparison 9. Dilatation & Curettage vs Expectant/ Placebo
Comparison 10. Mifepristone + Misoprostol vs Expectant/ Placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

10.1 Complete Miscarriage Show forest plot

3

Risk Ratio (IV, Random, 95% CI)

Subtotals only

10.1.1 Missed miscarriage

1

614

Risk Ratio (IV, Random, 95% CI)

1.25 [1.09, 1.45]

10.1.2 Incomplete miscarriage

1

122

Risk Ratio (IV, Random, 95% CI)

1.08 [0.90, 1.30]

10.1.3 Mixed population

1

174

Risk Ratio (IV, Random, 95% CI)

3.44 [2.31, 5.11]

10.2 Composite outcome of death or serious complication Show forest plot

2

788

Risk Ratio (IV, Random, 95% CI)

0.43 [0.11, 1.63]

10.3 Need for unplanned/emergency surgical procedure Show forest plot

2

296

Risk Ratio (IV, Random, 95% CI)

0.32 [0.11, 0.90]

10.4 Pain score Show forest plot

1

122

Std. Mean Difference (IV, Random, 95% CI)

0.14 [‐0.21, 0.50]

10.5 Pelvic inflammatory disease, sepsis or endometritis Show forest plot

2

736

Risk Ratio (IV, Random, 95% CI)

0.73 [0.30, 1.80]

10.6 Days of bleeding Show forest plot

1

122

Mean Difference (IV, Random, 95% CI)

0.70 [‐0.43, 1.83]

10.7 Pyrexia Show forest plot

1

174

Risk Ratio (IV, Random, 95% CI)

0.32 [0.01, 7.71]

Figuras y tablas -
Comparison 10. Mifepristone + Misoprostol vs Expectant/ Placebo