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: Surgery
[{'content': 'Unilateral undescended around ? \nSelect and explain. \nA. 2 months of age, B. 6 months of age, C. 12 months of age, D. 14 months of age', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., 12 months of age "Definitive treatment of the undescended testis should occur before I year of age". - Cambell Urology Sabiston also suppos the above statement (Note Bailey writes completely different timing for orchipexy, so don\'t follow it.)', 'role': 'assistant'}]