As a fetus develops, the formation of the internal and/or external sexual organs may be abnormal. This abnormal development can give rise to sexually ambiguous anatomical structures or normal-appearing anatomy that does not function correctly.
Review Date 9/28/2017
Updated by: John D. Jacobson, MD, Professor of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda Center for Fertility, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.