<prompt> Surgery for undescended testes is ideally performed before what age?6 months12 months24 months36 months  <response>: Surgical correction of undescended testis should be done at 6 months and maximum by 1 year. Ref: Nursing care of the pediatric surgical patient By Nancy Tkacz Browne, Page 147-8; CPDT 20th Edition, Page 974. 