Table 1 Pooled data from randomized clinical trials of oral magnesium supplementation in pregnancy for the prevention of adverse pregnancy outcomes
Outcome | Number of participants (RCTs) included | Control event rate (per 1000) | Magnesium supplementation event rate (per 1000) | Relative risk reduction,% (95% confidence interval) |
|---|---|---|---|---|
Preterm birth < 37 weeks gestation | 2275 (5) | 105 | 67 | 27 (6 to 43) |
Preeclampsia | 474 (2) | 167 | 145 | 13 (−32 to 43) |
Small for gestational age birthweight < 10 percentile | 1741 (3) | 119 | 83 | 30 (7 to 47) |