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': 'What is the proper time to do pelvic assessment in primigravida : \nSelect and explain. \nA. 32 weeks, B. 34 weeks, C. 36 weeks, D. 40 weeks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 40 weeks', 'role': 'assistant'}]