Ideal time of operation for Rx of unilateral undescended testis?
(Ref. Shwartz 8th/1506, Ref: Nelson 18th Edition chapter 545)
a. The majority of undescended testes descend spontaneously during the first 3 months of life, and by 6 months the incidence decreases to 0.8%. If the testis has not descended by 4 months, it will remain undescended.
b. The congenital undescended testis should be treated surgically no later than 9–15 months. With anesthesia by a pediatric anesthesiologist, surgical correction at 6 months is appropriate, because spontaneous descent of the testis will not occur after 4 months of age.