Conditions + Treatments

Ambiguous Genitalia in Children

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Contact the Department of Urology

  • 1-617-355-7796

When a baby is born, "girl or boy?" is the question on the tip of everyone's tongues. Discovering that your newborn has ambiguous genitalia can be emotionally traumatizing and confusing for you and your family. Ambiguous genitalia are sexual organs that aren't well formed or aren't clearly male or female.

  • An estimated 1 in 4,500 infants are born with ambiguous genitalia.

  • It's important not to try to guess the baby's gender. Tests will most likely determine the cause of the problem and the sex of boy or girl. Results should come back in a few days, or at the most, one or two weeks.

  • With few exceptions, babies with ambiguous genitalia are physically healthy.

  • Ambiguous genitalia can signal a medical emergency if the condition is the result of a rare form of a genetic disorder called congenital adrenal hyperplasia.

How Boston Children's Hospital approaches ambiguous genitalia

Children's is also home to the Gender Management Service (GeMS) Clinic, which treats the medical and psychosocial issues of infants, children, adolescents and young adults with disorders of sexual differentiation.

Boston Children’s is so much more than a hospital—it’s a community of researchers, clinicians, administrators, support staff, innovators, teachers, patients and families, all working together to make the impossible possible. ”
- Sandra L. Fenwick, President and CEO

Boston Children's Hospital
300 Longwood Avenue, Boston, MA 02115
For Patients: 617-355-6000
For Referring Providers: 844-BCH-PEDS | 844-224-7337