Human chorionic gonadotropin (hCG) treatment in cryptorchidism.

One hundred twenty-eight prepubertal boys, ages 1-12 years, were referred to our institute because of uni- or bilateral cryptorchidism. Patients with mobile (retractile) testes were not included in the study. They were treated with human chorionic gonadotrophin (hCG, Pregnyl-Teva) twice weekly for five consecutive weeks by the following doses; 1-4 years (n = 53) - 250 U X 10; 4-7 years (n = 51) - 500 U X 10; 7-12 years (n = 24) - 1000 U X 10;i.