Gender identity disorder

Alternative names:

transsexualism

Definition:

Persistent feelings of gender discomfort and inappropriateness of anatomic sex.

Causes, incidence, and risk factors:

People with gender identity disorder act and present themselves as members of the opposite sex. The disorder affects self-concept, the perception of an ideal partner, and the display of femininity or masculinity through mannerisms, behavior, and dress. These feelings persist for at least 2 years. Theories suggesting causes of this disorder are chromosomal abnormalities, hormonal imbalances, and defects in normal human bonding and child rearing. The disorder may occur in children or adults. It is a rare disorder.