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A 37-year-old female asked:

Is it harmful to have high folic acid levels in body prior to getting pregnant? i have read high folic acid prior to pregnancy my cause autism, true?

2 doctor answers7 doctors weighed in
Dr. William Jurewitz
Specializes in Obstetrics and Gynecology
Folic acid: The cause(s) of autism are not completely known. A high Folic Acid level is not one of them though. Having a good Folic Acid intake prior to conception actually decreases certain birth defects in pregnancy. Taking about 1-4mg of Folic Acid while trying to conceive is actually a good idea.
Dr. Liviu CRACIUN
Neurology 26 years experience
No, it is not.: There is no clear data supporting a toxic Folic Acid side effect. The only situation where it me be potentially deleterious is pernicous anemia, if it is given without B12 vitamin.

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Last updated Nov 27, 2017

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