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': 'IUFD cause all except : \nSelect and explain. \nA. PIH, B. DIC, C. Psychological upset, D. Infection', 'role': 'user'}, {'content': 'Answer: A \nExplanation: PIH', 'role': 'assistant'}]