This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Prenatal Diagnosis, Subject name: Gynaecology & Obstetrics
Triple test of Down&;s syndrome includes following except- 
Select and explain. 
A. HCG, B. Inhibin, C. MS AFP, D. UE3
B: Inhibin
Answer: B: Inhibin 
Explanation: Ans. is 'b' i.e., Inhibin o Following are the tests in the identification of Down's syndrome fetus in pregnant women: # Triple test including MS AFP, UE3, total hCG # Quadruple test including MSAFP UE3, total hCG & Inhibin A