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Levonorgestrel (all doses) versus anordrin (all doses)
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Observed number of pregnancies (all women) | 1 | 172 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.67 [0.11, 3.89] |
| 2 Any side effect | 1 | 172 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.75 [0.27, 2.07] |
