Incidence of undescended testis in preterm infants is:: (A) <5%, (B) 10%, (C) 20%, (D) 30%
Answer is D. The incidence of undescended testes is approximately 30% in preterm infants. Remember that undescended testis is more common in preterm when compared with term babies. Ref: Schwaz's principle of surgery 9th edition, chapter 39.