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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Very preterm birth (< 34 weeks) | 1 | 65 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.64 [0.24, 1.76] |
| 2 Neonatal mortality | 1 | 65 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
