The optimum time to operate for cryptorchidism.
D000367:Age Factors; D002675:Child, Preschool; D003456:Cryptorchidism / Q000150:complications / Q000601:surgery*; D006547:Hernia / Q000150:complications; D059685:Herniorrhaphy; D006801:Humans; D008297:Male; D011584:Psychology