Maternal folic acid supplementation and dietary folate intake and congenital heart defects.

PLoS One · 2017 · PMC5690601 · PMID 29145433

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borderline significantno p-value reported

A borderline significant increase in risk of multiple CHDs was found among women who had lower dietary folate intake before pregnancy (OR: 1.97, 95% CI 0.98–3.97).

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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.