This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Natural Methods, Barrier Methods, IUDs, OCPs, Subject name: Social & Preventive Medicine
[{'content': 'Cu-T-380A IUCD should be replaced in: \nSelect and explain. \nA. 4 years, B. 6 years, C. 8 years, D. 10 years', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cu-T 380A: - MC used IUD in India. - 380 is surface area of Cu in mm2 - A : Arm . - The effective lifespan of Cu-T 380A IUD is 12 years but approved for 10 years use, and it should be replaced after this time period.', 'role': 'assistant'}]