The importance of vitamin D in maternal and child health: a global perspective.

Public Health Rev · 2017 · PMC5809824 · PMID 29450091

Europe PMC DOI

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failed to reach statistical significanceno p-value reported

One RCT studying the effect of maternal high-dose vitamin D supplementation during pregnancy on toddler wheezing or asthma diagnosis revealed a possible protective effect but failed to reach statistical significance [ 76 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.