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: Gynaecology & Obstetrics
[{'content': 'Previous ectopic pregnancy is a contraindication for \nSelect and explain. \nA. Copper containing IUD, B. Depot medroxy progesterone acetate, C. Levonorgestrel- releasing IUS, D. Progestin containing subdermal implant', 'role': 'user'}, {'content': 'Answer: C \nExplanation: LNG-IUS is considered to be\xa0contraindicated in women with history of previous ectopic pregnancy.', 'role': 'assistant'}]