This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'IUCD having the longest life span is- \nSelect and explain. \nA. Progestasert, B. Cu T 380A, C. Mirena, D. Nova T', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cu T 380A The time periods for replacement for various IUDs are:-* Copper T 200 : 3 years* Copper T 380A : 10 years* Multiload Cu 250 : 3 years* Multiload 375 : 5 years* LNG-IUS/Mirena : 5 years* Progestasert: 1 year* Nova T : 5 years", 'role': 'assistant'}]