A member 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?

A doctor has provided 1 answer

Dr. Michael Kleerekoper answered

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.

Dr Munshower and another doctor agreed

Answered 11/28/2014

3.6k views

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A member 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?

A doctor has provided 1 answer

Dr. Michael Kleerekoper answered

Dr Munshower and another doctor agreed

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