This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Testis & Scrotum), Subject name: Surgery
[{'content': 'Ideal age for orchiopexy for cryptorchidism is \nSelect and explain. \nA. At 6-10 yrs, B. At 1-2 yrs, C. At puberty, D. < 1 yr of age', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e. < 1 yr of age Campbell\'s Urology writes - "Definitive treatment of an undescended testis should take place between 6 and 12 months of age. Because spontaneous descent occurs in most boys by 3 months of age and uncommonly thereafter, earlier interventions should be considered in order to theoretically prevent the complication of cryptorchidism that may be manifested before 1 yr of age', 'role': 'assistant'}]