Comparison 2. u‐hCG versus r‐hCG.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 live birth rate per couple	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2 pregnancy rate per couple	2	409	Odds Ratio (M‐H, Fixed, 95% CI)	1.02 [0.65, 1.57]
3 multiple pregnancy rate per pregnancy	2	109	Odds Ratio (M‐H, Fixed, 95% CI)	0.99 [0.40, 2.47]
4 miscarriage rate per pregnancy	2	109	Odds Ratio (M‐H, Fixed, 95% CI)	0.57 [0.13, 2.47]
5 OHSS rate per cycle	2	468	Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]