Comparison 7. Sensitivity analysis low risk of bias: LOD with and without medical ovulation versus medical ovulation alone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Live birth	4	415	Odds Ratio (M‐H, Fixed, 95% CI)	0.90 [0.59, 1.36]
1.1 LOD versus gonadotrophins	2	218	Odds Ratio (M‐H, Fixed, 95% CI)	1.04 [0.59, 1.85]
1.2 LOD versus CC + metformin	1	50	Odds Ratio (M‐H, Fixed, 95% CI)	1.17 [0.39, 3.56]
1.3 LOD versus letrozole	1	147	Odds Ratio (M‐H, Fixed, 95% CI)	0.62 [0.30, 1.31]
2 Multiple pregnancy	6	522	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.18 [0.06, 0.57]
2.1 LOD versus CC + metformin	1	50	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.2 LOD versus gonadotrophins	3	253	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.18 [0.06, 0.57]
2.3 LOD versus letrozole	1	147	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.4 LOD versus clomiphene citrate	1	72	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.0 [0.0, 0.0]