Comparison 3. IUI in stimulated cycle versus TI or expectant management in natural cycle.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Live birth rate per couple (all cycles)	2		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.1 Clomiphene Citrate or Letrozole	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
1.2 Clomiphene Citrate or Gonadotropins	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2 Multiple pregnancy rate per couple	2	454	Odds Ratio (M‐H, Fixed, 95% CI)	3.01 [0.47, 19.28]
2.1 Clomiphene Citrate or Letrozole	1	201	Odds Ratio (M‐H, Fixed, 95% CI)	5.05 [0.24, 106.53]
2.2 Clomiphene Citrate or Gonadotropins	1	253	Odds Ratio (M‐H, Fixed, 95% CI)	2.0 [0.18, 22.34]
3 Pregnancy rate per couple (all cycles)	3		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3.1 Clomiphene Citrate	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.2 Clomiphene Citrate or Letrozole	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.3 Clomiphene Citrate or Gonadotropins	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4 Miscarriage rate per couple	2	454	Odds Ratio (M‐H, Fixed, 95% CI)	2.87 [1.18, 7.01]
4.1 Clomiphene Citrate or Letrozole	1	201	Odds Ratio (M‐H, Fixed, 95% CI)	6.25 [0.74, 52.91]
4.2 Clomiphene Citrate or Gonadotropins	1	253	Odds Ratio (M‐H, Fixed, 95% CI)	2.28 [0.84, 6.20]
5 Ectopic pregnancy rate per couple	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected