text: Virilization in females can manifest as clitoral enlargement, increased muscle strength, acne, hirsutism, frontal hair thinning, deepening of the voice, menstrual disruption due to anovulation, and a strengthened libido. Some of the possible causes of virilization in females are:
  * Androgen-producing tumors of the
  ** ovaries
  ** adrenal glands (see adrenal tumor)
  ** pituitary gland (see pituitary adenoma)
  * Hyperthecosis
  * Hypothyroidism
  * Anabolic steroid exposure
  * Congenital adrenal hyperplasia due to 21-hydroxylase deficiency (late-onset)
  * Conn's syndrome