Vitamin A: too much of a good thing?

Norman B Duerbeck, David D Dowling

Journal: Obstetrical & gynecological survey 2012;67(2):122-8

PMID: 22325302

Full Text on Ovid Technologies, Inc. View on PubMed

Abstract

UNLABELLED

Vitamin A has the unique distinction of being readily available over the counter, yet conferring significant toxic and teratogenic potential. Although vitamin A deficiency is relatively rare in the United States, globally it is the most common cause of blindness. The following is a review of the various forms and derivatives of vitamin A and their associations with potential adverse perinatal outcomes.

TARGET AUDIENCE

Obstetricians & Gynecologists, Family Physicians.

LEARNING OBJECTIVES

After participating in this CME activity, physicians should be better able to identify sources of Vitamin A, distinguish between toxic and non toxic forms of Vitamin A and counsel patients regarding the dosages of Vitamin A that are tolerable during pregnancy.

Address: Specialty Obstetrics of San Diego, San Diego, CA 92130, USA. [email protected]

DOI: 10.1097/OGX.0b013e318244c52d

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MeSH Terms: Abnormalities, Drug-Induced, Clinical Trials as Topic, Dietary Supplements, Dose-Response Relationship, Drug, Female, Humans, Hypervitaminosis A, Infant, Newborn, Nonprescription Drugs, Perinatal Care, Pregnancy, Pregnancy Complications, United States, United States Food and Drug Administration, Vitamin A, Vitamin A Deficiency, Vitamins, beta Carotene