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Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 1 Shoulder dystocia.
Figuras y tablas -
Analysis 1.1

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 1 Shoulder dystocia.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 2 Head‐to‐body delivery time (seconds).
Figuras y tablas -
Analysis 1.2

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 2 Head‐to‐body delivery time (seconds).

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 3 Newborn birth injuries.
Figuras y tablas -
Analysis 1.3

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 3 Newborn birth injuries.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 4 Apgar score < 7 at 5 minutes.
Figuras y tablas -
Analysis 1.4

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 4 Apgar score < 7 at 5 minutes.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 5 Instrumental vaginal birth.
Figuras y tablas -
Analysis 1.5

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 5 Instrumental vaginal birth.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 6 Caesarean birth.
Figuras y tablas -
Analysis 1.6

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 6 Caesarean birth.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 7 Manoeuvres performed.
Figuras y tablas -
Analysis 1.7

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 7 Manoeuvres performed.

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 8 Admission to special care nursery.
Figuras y tablas -
Analysis 1.8

Comparison 1 Prophylactic McRoberts versus therapeutic manoeuvres, Outcome 8 Admission to special care nursery.

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 1 Shoulder dystocia.
Figuras y tablas -
Analysis 2.1

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 1 Shoulder dystocia.

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 2 Head‐to‐body delivery time (seconds).
Figuras y tablas -
Analysis 2.2

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 2 Head‐to‐body delivery time (seconds).

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 3 Newborn birth injuries.
Figuras y tablas -
Analysis 2.3

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 3 Newborn birth injuries.

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 4 Apgar score < 7 at 5 minutes.
Figuras y tablas -
Analysis 2.4

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 4 Apgar score < 7 at 5 minutes.

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 5 Instrumental vaginal birth.
Figuras y tablas -
Analysis 2.5

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 5 Instrumental vaginal birth.

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 6 Force of traction required for birth (peak force lb).
Figuras y tablas -
Analysis 2.6

Comparison 2 Prophylactic McRoberts versus lithotomy position, Outcome 6 Force of traction required for birth (peak force lb).

Comparison 1. Prophylactic McRoberts versus therapeutic manoeuvres

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Shoulder dystocia Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.1 Women with vaginal birth only

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.44 [0.17, 1.14]

1.2 Women with caesarean or vaginal birth

1

170

Risk Ratio (M‐H, Fixed, 95% CI)

0.33 [0.12, 0.86]

2 Head‐to‐body delivery time (seconds) Show forest plot

1

128

Mean Difference (IV, Fixed, 95% CI)

‐3.0 [‐9.61, 3.61]

3 Newborn birth injuries Show forest plot

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.44 [0.02, 10.61]

4 Apgar score < 7 at 5 minutes Show forest plot

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.44 [0.02, 10.61]

5 Instrumental vaginal birth Show forest plot

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.19 [0.01, 3.58]

6 Caesarean birth Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

6.1 All women

1

185

Risk Ratio (M‐H, Fixed, 95% CI)

2.97 [1.59, 5.55]

6.2 Failure to progress

1

185

Risk Ratio (M‐H, Fixed, 95% CI)

2.56 [1.12, 5.89]

6.3 Indication other than failure to progress

1

185

Risk Ratio (M‐H, Fixed, 95% CI)

3.69 [1.26, 10.80]

7 Manoeuvres performed Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

7.1 Prophylactic

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

57.07 [8.11, 401.75]

7.2 Therapeutic

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.31 [0.09, 1.02]

8 Admission to special care nursery Show forest plot

1

128

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.38, 1.68]

Figuras y tablas -
Comparison 1. Prophylactic McRoberts versus therapeutic manoeuvres
Comparison 2. Prophylactic McRoberts versus lithotomy position

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Shoulder dystocia Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

0.93 [0.06, 13.37]

2 Head‐to‐body delivery time (seconds) Show forest plot

1

27

Mean Difference (IV, Fixed, 95% CI)

3.70 [1.72, 5.68]

3 Newborn birth injuries Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 Apgar score < 7 at 5 minutes Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

5 Instrumental vaginal birth Show forest plot

1

27

Risk Ratio (M‐H, Fixed, 95% CI)

4.67 [0.24, 88.96]

6 Force of traction required for birth (peak force lb) Show forest plot

1

27

Mean Difference (IV, Fixed, 95% CI)

0.80 [‐2.16, 3.76]

Figuras y tablas -
Comparison 2. Prophylactic McRoberts versus lithotomy position