Folic acid and birth defect prevention

Alternative names
Prevention of birth defects with folic acid


Does folic acid use help prevent birth defects?

There is good evidence that the risk of certain birth defects (spina bifida and anencephaly) are reduced by taking folic acid 400 micrograms daily from 1 month before conception through the first trimester of pregnancy. Therefore, if you would like to become pregnant in the near future, you should take a multivitamin with this amount of folic acid.

Johns Hopkins patient information

Last revised: December 6, 2012
by Dave R. Roger, M.D.

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