Comparison 12. Oral prostaglandin vs placebo or no treatment: all women, ruptured membranes, variable or undefined cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3 Cesarean section	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.64 [0.27, 1.51]
7 Oxytocin augmentation	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.21 [0.10, 0.47]
8 Uterine hyperstimulation without fetal heart rate changes	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.13, 71.92]
20 Vomiting	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.13, 71.92]
21 Diarrhoea	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.13, 71.92]
28 Maternal postpartum infections requiring antibiotics	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.65 [0.34, 1.24]
29 Neonatal infections requiring antibiotics	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.45 [0.17, 1.21]