Comparison 8. IV oxytocin and amniotomy versus vaginal PG: all women, intact membranes, variable or undefined cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2 Uterine hyperstimulation with FHR changes	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Caesarean section	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	1.34 [0.70, 2.56]
4 Serious neonatal morbidity or perinatal death	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
5 Serious maternal morbidity or death	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
10 Epidural analgesia/opioid analgesia	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.76 [0.54, 1.07]
11 Instrumental vaginal delivery	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.65 [0.43, 0.97]
19 Nausea	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.31 [0.06, 1.53]
20 Vomiting	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	0.31 [0.06, 1.53]
21 Diarrhoea	1	318	Risk Ratio (M‐H, Fixed, 95% CI)	4.70 [0.23, 97.06]