Comparison 9. (3.6) Amniotomy alone versus vaginal prostaglandin: all women, intact membranes, favourable cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2 Uterine hyperstimulation with fetal heart rate changes	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Caesarean section	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.2 [0.38, 3.83]
7 Oxytocin augmentation	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	2.85 [1.82, 4.46]
8 Uterine hyperstimulation without fetal heart rate changes	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
10 Epidural analgesia	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.89 [0.87, 4.08]
11 Instrumental vaginal delivery	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	0.89 [0.49, 1.64]
12 Meconium‐stained liquor	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.12 [0.69, 1.81]
14 Neonatal intensive care unit admission	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.17 [0.40, 3.38]
16 Perinatal death	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
18 Maternal side‐effects (all)	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.8 [0.62, 5.23]
22 Maternal pyrexia	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.8 [0.62, 5.23]
23 Postpartum haemorrhage	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.0 [0.47, 2.14]
28 Antibiotics to baby	1	260	Risk Ratio (M‐H, Fixed, 95% CI)	1.17 [0.40, 3.38]