Ambiguous external genitalia | definition of ambiguous external genitalia by Medical dictionary
ambiguous external genitalia
incomplete development of fetal genitalia as a result of excessive androgen action on a female fetus or inadequate amounts of androgen in a male fetus.
am·big·u·ous ex·ter·nal gen·i·ta·li·a (am-big'yū-ŭs eks-tĕr'năl jen'i-tā'lē-ă)
External genitalia not clearly of either sex; most commonly designates external genitalia that are incompletely masculinized.
See also: genital ambiguity
References in periodicals archive
Most patients with TH have ambiguous external genitalia
, masculinized to variable degrees, although occasionally completely normal appearing mixed male and female genitalia have been reported.
Patients may present with almost complete female phenotype or ambiguous external genitalia
, hypospadias, micropenis, bifid scrotum, single urogenital opening, or a combination of these defects.
These patients usually present with evidence of AMH deficiency as well as androgen deficiency, and therefore have mullerian duct derivatives and ambiguous external genitalia