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
Best ultrasonic finding to detect IUGR is : 
Select and explain. 
A. Abdominal circumference, B. Biparietal diameter, C. Femur length, D. Tibia length
A: Abdominal circumference
Answer: A: Abdominal circumference 
Explanation: Abdominal circumference