The birth of a child with ambiguous genitalia is a matter of a medical and social emergency to decide the appropriate sex rearing and eventually to prevent the associated metabolic disturbances. It must be taken with immediacy and great sensitivity. The pediatric endocrinologist should share the care with a team consists of a pediatric urologist, or surgeon, a pediatric radiologist, geneticist and a child psychiatrist or psychologist who should work closely with the family. Ultrasonograpy is the primary modality for demonstrating internal organs while genitography is used to assess the uterus, vagina, and any fistulas or complex tracts. Magnetic resonance imaging (MRI) is used as an adjunct modality to assess the internal gonads and genitalia. Early and appropriate gender assignment is necessary for healthy physical and psychological development of children with ambiguous genitalia.
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