Comparison 7. Robust studies (randomisation method and allocation concealment stated and live birth reported): assisted hatching compared with no assisted hatching.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
7.1 Live births	1	960	Odds Ratio (M‐H, Fixed, 95% CI)	1.08 [0.82, 1.41]
7.2 Clinical pregnancies	1	960	Odds Ratio (M‐H, Fixed, 95% CI)	1.10 [0.85, 1.43]