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 7/13/2021
Updated by: John D. Jacobson, MD, Department of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.