Weekly iron-folic acid supplements containing 2.8 mg folic acid are associated with a lower risk of neural tube defects than the current practice of 0.4 mg: a randomised controlled trial in Malaysia.

BMJ Glob Health · 2020 · PMC7716666 · PMID 33272946

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did not reach statistical significanceno p-value reported

The difference between the 0.4 and 0 mg groups at 20 weeks did not reach statistical significance after adjustment for multiple comparisons ( table 3 ).

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