Comparison 3. Natural cycle FET versus modified natural cycle FET (HCG trigger).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Live birth rate per woman	1	60	Odds Ratio (M‐H, Fixed, 95% CI)	0.55 [0.16, 1.93]
2 Miscarriage rate per woman	1	168	Odds Ratio (M‐H, Fixed, 95% CI)	0.20 [0.01, 4.13]
3 Ongoing pregnancy rate per woman	1	168	Odds Ratio (M‐H, Fixed, 95% CI)	2.44 [1.03, 5.76]
4 Clinical pregnancy rate per woman	1	60	Odds Ratio (M‐H, Fixed, 95% CI)	1.0 [0.32, 3.14]