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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 pregnancy rate per couple | 1 | 612 | Odds Ratio (M‐H, Fixed, 95% CI) | 1.32 [0.77, 2.25] |
| 2 miscarriage rate | 1 | 65 | Odds Ratio (M‐H, Fixed, 95% CI) | 0.51 [0.08, 3.28] |
