Comparison 21. Oral prostaglandin vs vaginal prostaglandin: all women, unfavorable cervix.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3 Cesarean section	2	63	Risk Ratio (M‐H, Fixed, 95% CI)	0.69 [0.33, 1.47]
6 Cevrvix unfavorable/unchanged after12‐24 hours	1	33	Risk Ratio (M‐H, Fixed, 95% CI)	2.13 [0.21, 21.22]
11 Instrumental vaginal delivery	3	108	Risk Ratio (M‐H, Fixed, 95% CI)	0.82 [0.44, 1.54]