What Causes Urogenital Sinus?

The cause of a chronic urogenital sinus is not known.

Virilization of the female genitalia may cause urogenital sinus. Virilization is when a female develops male features. Males features they could get are:

  • Muscle bulk
  • Body hair
  • Deep voice

Virilization is often a result of a too much androgen (male hormones) in the body. This condition can occur if you have congenital adrenal hyperplasia.