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: Anatomy
All of the following are ultrasonographic fetal growth parameters except 
Select and explain. 
A. Head circumference, B. Transcerebellar diameter, C. Femur length, D. Biparietal diameter
B: Transcerebellar diameter
Answer: B: Transcerebellar diameter 
Explanation: Ultrasound imaging: Standard morphometric measurements are as under Fetal crown-rump length (in the first trimester); Biparietal diameter; Head circumference; Abdominal circumference; Femur length; and Total intrauterine volume.