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': 'MC complication of IUD: March 2013 \nSelect and explain. \nA. Uterine Perforation, B. Expulsion of IUCD, C. Cervical carcinoma, D. Bleeding', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Bleeding The removal rate at the end of one year, because of pain, discomfo, continuous or heavy bleeding, or vaginal discharge is repoed to be about 15 to 20%.', 'role': 'assistant'}]