PLOD1 and cryptorchidism: Testicular volume, serum FSH, LH, testosterone, and inhibin B levels in the two groups were similar in men with a history of either unilateral or bilateral acquired cryptorchidism with either of the treatment protocols, except that inhibin B levels of men with a history of unilateral acquired cryptorchidism and orchiopexy at diagnosis were significantly lower than those of men who received wait-and-see protocol.