Comparison 17. Oestrogen versus intracervical prostaglandins: all women, intact membranes, unfavourable cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3 Caesarean section	1	66	Risk Ratio (M‐H, Fixed, 95% CI)	1.0 [0.66, 1.51]
7 Oxytocin augmentation	1	85	Risk Ratio (M‐H, Fixed, 95% CI)	1.40 [0.83, 2.36]
11 Instrumental vaginal delivery	2	151	Risk Ratio (M‐H, Fixed, 95% CI)	0.69 [0.39, 1.23]
12 Meconium stained liquor	1	85	Risk Ratio (M‐H, Fixed, 95% CI)	0.70 [0.17, 2.94]
14 Neonatal intensive care unit admission	1	85	Risk Ratio (M‐H, Fixed, 95% CI)	0.93 [0.06, 14.42]
20 Serious maternal complications	1	85	Risk Ratio (M‐H, Fixed, 95% CI)	2.80 [0.81, 9.62]