Comparison 9. IV oxytocin and amniotomy versus vaginal PG: all women, intact membranes, favourable cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3 Caesarean section	3	422	Risk Ratio (M‐H, Fixed, 95% CI)	1.04 [0.68, 1.60]
6 Cervix unfavourable/unchanged after 12 ‐24 hours	2	372	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.53, 1.30]
8 Uterine hyperstimulation without FHR changes	1	320	Risk Ratio (M‐H, Fixed, 95% CI)	0.96 [0.06, 15.27]
11 Instrumental vaginal delivery	2	372	Risk Ratio (M‐H, Fixed, 95% CI)	1.25 [0.60, 2.63]
12 Meconium stained liquor	1	52	Risk Ratio (M‐H, Fixed, 95% CI)	0.36 [0.04, 3.24]
14 Neonatal intensive care admission	1	320	Risk Ratio (M‐H, Fixed, 95% CI)	0.51 [0.22, 1.18]
19 Nausea	1	320	Risk Ratio (M‐H, Fixed, 95% CI)	1.93 [0.67, 5.51]
28 Retained placenta	1	52	Risk Ratio (M‐H, Fixed, 95% CI)	3.24 [0.36, 29.15]