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: Unknown
Amniotic fluid quantity at birth (ml) - 
Select and explain. 
A. 500, B. 1000, C. 1500, D. 2000
B: 1000
Answer: B: 1000 
Explanation: Ans-BAmniotic fluido It is of mix maternal & fetal origino It is replaced by every' 3 hrso It measures 50 ml at 12 weeks, 400 ml at 20 weeks, reaches its peak of 1 lit at 36-38 weeks. At term it measures 600-800ml.o The osmolality of 250mosm, lit is suggestive of fetal maturity.