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Summation of randomized controlled trials reporting the effect of antenatal exposure of magnesium sulfate at less than 30 weeks on death or cerebral palsy (A), cerebral palsy (B), death (C), moderate-severe cerebral palsy (D), and death or moderate-severe cerebral palsy (E). This is a Forest plot with the meta-analysis (fixed effects Mantel-Haenszel model) of the treatment/exposure effect expressed as pooled relative risk (RR) with its 95% confidence interval (CI).
