Bilateral cryptorchidism usually results in oligospermia and infeility. Orchiopexy for cryptorchidism is done at the age of:

Cryptorchidism is defined as testes that have not fully descended into the scrotum and, unlike retractile testes cannot be manipulated into the scrotum with gentle pressure. Surgical repair (orchiopexy) is done at 6-12 months of age and has a success rate (99%). Ref: Blueprints Pediatrics By Bradley S. Marino, Katie Katie Snead Fine, 2009, Page 221.