Prenatal vitamins are almost universally given to pregnant women today. But having too much or too little of certain vitamins and minerals in pregnancy can cause problems. For example, large amounts of vitamin A have been found to increase the prevalence of craniofacial (head and face) defects. On the other hand, maternal deficiency of folic acid, a B vitamin, or zinc, a mineral, has been associated with birth defects. It is important to always to follow your doctor’s advice on the recommended doses for vitamins and minerals.
Which vitamins should be avoided during pregnancy?
High doses of vitamin A should be avoided during pregnancy because excessive intake increases of the risk of craniofacial birth defects. Always follow medical advice on recommended vitamin dosages.
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