Interventions to improve birth outcomes of pregnant women living in low- and middle-income countries: a systematic review and network meta-analysis.

Gates Open Res · 2019 · PMC7520556 · PMID 33134854

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showed a trendno p-value reported

Other micronutrient supplements such as folic acid (RR: 0.71, 95% CrI: 0.43, 1.09), iron (RR: 0.70, 95% CrI: 0.47, 1.01), zinc (RR: 0.67, 95% CrI: 0.41, 1.04), and multiple micronutrients (MMN) (RR: 0.70, 95% CrI: 0.45, 1.02) showed a trend towards lower preterm birth risks compared to standard-of-care, but their Crls overlapped the null effect of 1.00.

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