XX male syndrome: A sex chromosome disorder in males which affects gonadal development and causes infertility. Males have XX chromosomes instead of the normal XY.
The list of signs and symptoms mentioned in various sources for XX male syndrome includes the 19 symptoms listed below: * Hypospadias * Cryptorchidism * Small testicles * Breast development * Gynaecomastia * Infertility * Small testes * Small penis
The phrase "signs of XX male syndrome" should, strictly speaking, refer only to those signs and symptoms of XX male syndrome that are not readily apparent to the patient. The word "symptoms of XX male syndrome" is the more general meaning;