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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Complete miscarriage | 1 | 614 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.25 [1.09, 1.45] |
| 2 Pelvic infection | 1 | 618 | Risk Ratio (M‐H, Fixed, 95% CI) | 8.05 [1.87, 34.72] |
