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

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