Rules for clinical diagnosis in babies with ambiguous genitalia.
Low Y., Hutson JM., Murdoch Childrens Research Institute Sex Study Group .
Intersex disorders are rare and complex; yet, in each case of genital ambiguity, accurate and expeditious management is required of the clinician. This article reviews the embryology of sexual differentiation, from which some 'rules' of diagnosis are derived. A simplified approach to the interpretation of clinical signs in ambiguous genitalia is presented and discussed.