This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'The maximum amount of amniotic fluid in normal pregnancy is : \nSelect and explain. \nA. 500ml, B. 800ml, C. 1000ml, D. 1500ml', 'role': 'user'}, {'content': "Answer: C \nExplanation: Amniotic fluid volume is related to gestational age It measures about 50 ml at 12 weeks , 400 ml at 20 weeks It reaches it's peak of 1 liter at 36-38 weeks Ref: Dutta Obs 9e pg 34.", 'role': 'assistant'}]