when 21 men with hypogonadotropic hypogonadism were treated with human chorionic gonadotropin , the sperm count increased to within the normal range in the 6 in whom hypogonadism had begun after puberty , but in only 1 of the 15 in whom it had begun before puberty ( p less than 0.002 ) .
C0022735
hypogonadotropic hypogonadism
C0020619
hypogonadism