Male Pseudohermaphrodism

Abstract
THE pathogenesis of male pseudohermaphrodism has not been definitely elucidated.‡ Although this anomaly has been induced in the newborn of numerous laboratory animals by the administration of estrogens during pregnancy, no human counterpart of this experimental form of intersexuality has been reported. The patient described below is a male pseudohermaphrodite whose mother had received large doses of estrogens during the critical period of fetal sexual differentiation. Although the administration of estrogen to the mother and the occurrence of feminization of the external genitalia in the fetus may have been coincidental, a cause- and-effect relation is suggested.Case ReportThe infant, . . .