Prevention of birth defects with folic acid

Alternative names
Folic acid and birth defect prevention

Information

Question:
Does folic acid use help prevent birth defects?

Answer:
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 4, 2012
by Janet G. Derge, M.D.

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