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': 'Not a feature of postdated pregnancy : \nSelect and explain. \nA. Cord compression, B. Fetal distress, C. IUGR, D. Polyhydramnios', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Polyhydramnios', 'role': 'assistant'}]