This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'The volume of amnionic fluid peaks at \nSelect and explain. \nA. 21 weeks, B. 28 weeks, C. 34 weeks, D. 36 weeks', 'role': 'user'}, {'content': "Answer: C \nExplanation: The volume of amnionic fluid at each week is variable. In general, the volume increases by 10 mL per week at 8 weeks and increases to 60 mL per week at 21 weeks, then peaks at 34 weeks(Ref: William's Obstetrics; 25th edition)", 'role': 'assistant'}]