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
Fetal weight can be assessed by : 
Select and explain. 
A. Biparietal diameter, B. Crown rump length, C. Maternal weight gain, D. None of the above
A: Biparietal diameter
Answer: A: Biparietal diameter 
Explanation: Biparietal diameter