Scolaris Content Display Scolaris Content Display

Comparison 1 Progesterone versus placebo or no treatment, Outcome 1 Miscarriage.
Figures and Tables -
Analysis 1.1

Comparison 1 Progesterone versus placebo or no treatment, Outcome 1 Miscarriage.

Comparison 1 Progesterone versus placebo or no treatment, Outcome 2 Preterm labour.
Figures and Tables -
Analysis 1.2

Comparison 1 Progesterone versus placebo or no treatment, Outcome 2 Preterm labour.

Comparison 1 Progesterone versus placebo or no treatment, Outcome 3 Congential abnormalities.
Figures and Tables -
Analysis 1.3

Comparison 1 Progesterone versus placebo or no treatment, Outcome 3 Congential abnormalities.

Comparison 1 Progesterone versus placebo or no treatment, Outcome 4 Pregnancy‐induced hypertension.
Figures and Tables -
Analysis 1.4

Comparison 1 Progesterone versus placebo or no treatment, Outcome 4 Pregnancy‐induced hypertension.

Comparison 1 Progesterone versus placebo or no treatment, Outcome 5 Antepartum haemorrhage.
Figures and Tables -
Analysis 1.5

Comparison 1 Progesterone versus placebo or no treatment, Outcome 5 Antepartum haemorrhage.

Comparison 1. Progesterone versus placebo or no treatment

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Miscarriage Show forest plot

4

421

Risk Ratio (M‐H, Fixed, 95% CI)

0.53 [0.35, 0.79]

1.1 Oral progestogen versus no treatment

2

337

Risk Ratio (M‐H, Fixed, 95% CI)

0.54 [0.35, 0.84]

1.2 Vaginal progesterone versus placebo

2

84

Risk Ratio (M‐H, Fixed, 95% CI)

0.47 [0.17, 1.30]

2 Preterm labour Show forest plot

2

337

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.48, 2.52]

3 Congential abnormalities Show forest plot

2

337

Risk Ratio (M‐H, Fixed, 95% CI)

0.70 [0.10, 4.82]

4 Pregnancy‐induced hypertension Show forest plot

2

337

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.54, 1.88]

5 Antepartum haemorrhage Show forest plot

2

337

Risk Ratio (M‐H, Fixed, 95% CI)

0.76 [0.30, 1.94]

Figures and Tables -
Comparison 1. Progesterone versus placebo or no treatment