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
All of the following are components of manning score/Biophysical score except: 
Select and explain. 
A. Non stress test, B. Oxytocin challenge test, C. Fetal body movement, D. Respiratory activity of child
B: Oxytocin challenge test
Answer: B: Oxytocin challenge test 
Explanation: None