Pediatric contrasexual pubertal development is a condition where a male or female child develops characteristics of the opposite gender.
Puberty (between the ages of 10 and 14 for girls and between the ages of 12 and 16 for boys*) begins when a child’s hormone levels dramatically increase, causing physical and hormonal changes. During puberty, children with contrasexual development will exhibit features typically present in the opposite gender. Girls (virilization) can develop a deep voice or facial hair, while boys (feminization) mainly develop breasts (gynecomastia). Contrasexual development can also interrupt puberty milestones, including growth.
There are several causes of contrasexual pubertal development, which can differ between males and females.
There are several reasons there may be hormonal changes in males, including:
There are several reasons there may be hormonal changes in females, including:
Symptoms of contrasexual pubertal development differ between males and females.
The main symptom of contrasexual pubertal development is the development of breast tissue (gynecomastia).
*Age of puberty is middle childhood to teenage years as defined by the Center for Disease Control (CDC).