Undescended Testes — Is Surgery Necessary?

Abstract

An undescended testicle is one of the most common abnormalities of the genitourinary system. A considerable percentage of newborns (2 to 3 percent of fullterm and 15 to 30 percent of premature infants) have a testicle that has not yet descended to the scrotum.¹ The condition is bilateral in about 25 percent of cases. Many of these testicles will descend before the first birthday; the incidence of undescended testicle at one year of age is approximately 0.7 percent. This incidence remains the same during childhood and early adult life,² however, which indicates that although spontaneous descent does occur during the . . .