This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Anatomy
[{'content': 'A patient at 22 weeks gestation is diagnosed as having IUD which occurred at 17 weeks but did not have a miscarriage. The patient is at increased risk of : \nSelect and explain. \nA. Septic aboion, B. Future infeility, C. Consumptive coagulopathy with hypofibrinogenemia, D. Ectopic pregnancy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dead fetus if retained for more than 4-5 weeks, release thromboplastin which leads to DIC Ref: Datta Obs 9e pg 304.', 'role': 'assistant'}]