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Pittsburgh, PA
A 29-year-old female asked:

5 weeks pregnant. had been taking 4,000-5,000 iu vitamin d3 daily. i read that high doses can cause birth defects in first trimester. should i worry?

1 doctor answer3 doctors weighed in
Dr. Michael Kleerekoper
A Verified Doctoranswered
Endocrinology 53 years experience
Vitamin D: Most women do not need that much vitamin D on a daily basis but if your obstetrician has uncovered very low levels follow that advice. Otherwise go to a store and purchase bottles of either 1000 or 2000 units. Usually you do not need an expensive vitamin D test.
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Last updated Nov 28, 2014


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