This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Orchidopexy is done in cases of undescended testes at the age of : \nSelect and explain. \nA. Neonate, B. 1 – 2 years, C. 5 years, D. Puberty', 'role': 'user'}, {'content': 'Answer: B \nExplanation: "Congenital undescended testis should be treated surgically no later than 9-15 months. Surgical correction at 6 months is appropriate". - Nelson.\nCryptorchidism :\n\nAn undescended testis (cryptorchid) is the most common disorder of sexual differentiation in boys.\nAt birth, approximately 4 - 5% of boys have an undescended testis.\nThe majority of undescended testes descend spontaneously during the first 3 months of life, and by 6 months the incidence decreases to 0.8%.\nIf the testis has not descended at 4 months, it will remain undescended.\nCryptorchidism is bilateral in 20% of cases.\n\nConsequences of cryptorchidism :\n\nInfertility.\nTesticular malignancy → Most common seminoma.\nPsychological effects of empty scrotum.\nTorsion.\nAssociated hernia.', 'role': 'assistant'}]