Comparison 11. Oestrogen versus vaginal prostaglandins: all women, unfavourable cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2 Uterine hyperstimulation with FHR changes	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	5.0 [0.25, 99.95]
3 Caesarean section	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	0.88 [0.36, 2.11]
8 Uterine hyperstimulation without FHR changes	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	4.6 [2.02, 10.49]
10 Epidural analgesia	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	1.0 [0.78, 1.29]