This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes mellitus and obesity, Subject name: Pediatrics
[{'content': 'Screening for nephropathy in prepubeal children with type 1 DM should be initiated after how many years of disease onset? \nSelect and explain. \nA. 2 years, B. 3 years, C. 4 years, D. 5 years', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Annual screening of Nephropathy is considered in: Prepubeal - with duration of DM > 5yrs from onset Pubeal - with duration of DM > 2yrs from diagnosis', 'role': 'assistant'}]