This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'IUCD is absolutely contraindicated in all the following except \nSelect and explain. \nA. Undiagnosed vaginal bleeding, B. Suspected pregnancy, C. Congenital malformation of uterus, D. PID', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Absolute contraindications for IUD use include the following: Pregnancy. Significantly distoed uterine anatomy. Unexplained vaginal bleeding concerning for pregnancy or pelvic malignancy. Gestational trophoblastic disease with persistently elevated beta-human chorionic gonadotropin levels. Ongoing pelvic infection', 'role': 'assistant'}]