Comparison 1. Screening hysteroscopy versus no hysteroscopy in subfertile women wishing to conceive spontaneously.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Live birth	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	4.3 [2.29, 8.07]
2 Adverse outcomes	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Clinical pregnancy	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	3.8 [2.31, 6.24]
4 Miscarriage	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	2.8 [1.05, 7.48]