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Gender identity disorder is a conflict between a person's actual physical gender and the gender that person identifies himself or herself as. For example, a person identified as a boy may actually feel and act like a girl. The person experiences significant discomfort with the biological sex they were born.
See also: Intersex
People with gender identity disorder may act and present themselves as members of the opposite sex. The disorder may affect:
Gender identity disorder is not the same as homosexuality.
Identity conflicts can occur in many situations and appear in different ways. For example, some people with normal genitalia and sexual characteristics (such as breasts) of one gender privately identify more with the other gender.
Some people may cross-dress, and some may seek sex-change surgery. Others are born with ambiguous genitalia, which can raise questions about their gender.
The cause is unknown, but hormones in the womb, genes, and environmental factors (such as parenting) may be involved. This rare disorder may occur in children or adults.
Shafer LC. Sexual disorders and sexual dysfunction. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier;2008:chap 36.
Peralta L. Gender identity disorder. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 13.2.
Möller B, Schreier H, Li A, Romer G. Gender identity disorder in children and adolescents. Curr Probl Pediatr Adolesc Health Care. 2009;39:117-143.
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