Comparison 23. Hypnosis vs neurolinguistic programming.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Cephalic presentation at birth (primary)	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
2 Failure to achieve cephalic vaginal birth (composite outcome: caesarean section + vaginal breech birth)	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
3 Caesarean section (primary)	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
4 Fetal bradycardia (primary)	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
5 Failed external cephalic version	1	80	Risk Ratio (M‐H, Random, 95% CI)	1.08 [0.74, 1.57]
6 Difficult external cephalic version	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
7 Maternal palpitations	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
8 Maternal headaches	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
9 Maternal hypotension	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
10 Operative vaginal birth	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
11 Maternal mortality	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
12 Maternal morbidity	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
13 Perinatal mortality	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
14 Perinatal morbidity	0		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
15 Good pain relief (higher scores better) (non‐prespecified)	1	80	Mean Difference (IV, Fixed, 95% CI)	‐0.10 [‐0.87, 0.67]