<prompt> Surgery for undescended testis is best performed before what age:Just after bih6 months of age12 months of age24 months of age  <response>: Undescended testis cryptochidism is usually operated after the age of 1 year. There is high chance of testis desend between age of 3-6 months on its own. So it better to do surgery after 1 year of age. Ref: Handbook of Pediatric Urology By Laurence S. Baskin, Barry A. Kogan, 2nd Edition, Page 26 