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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 5.1 Live birth | 1 | 40 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.00 [0.77, 1.30] |
| 5.2 Miscarriage (defined as delivery before 24 weeks of gestation) | 1 | 40 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.00 [0.23, 4.37] |
