Maternal Folic Acid Supplement Use, Folate Intake, and Preterm Birth Among Infants With Spina Bifida.

Birth Defects Res · 2025 · PMC12700770 · PMID 41387300

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did not reach statistical significanceno p-value reported

However, most of our RR estimates did not reach statistical significance, due in part to the sample size included in our study and perhaps factors specific to the population studied.

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