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': 'Which is most likely complication of IUD: \nSelect and explain. \nA. Hypofibrinogenemia, B. Sterility, C. Cervical tear, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Complications of IUD\n\nPsychological upset.\nUterine Infections.\nBlood coagulation disorder: If the fetus is retained for more than 4 weeks (as occurs in 10–20%) there is a possibility that thromboplastin from the dead fetus enters maternal circulation and leads to disseminated intravascular coagulopathy (DIC).\nDuring labor: Uterine inertia, retained placenta and PPH. Hypofibrinogenimia occurs due to gradual absorption of thromboplastin, liberated from the dead placenta and decidua, into the maternal circulation.', 'role': 'assistant'}]