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: Pediatrics
Triple test for diagnosis of down's syndrome includes all of the following except - 
Select and explain. 
A. b-HCG, B. a-Fetoprotein, C. Serum HPL level, D. Serum oestriol level
C: Serum HPL level
Answer: C: Serum HPL level 
Explanation: Ans is 'c' i.e., Serum HPL levels Triple test is a combined biochemical test which includes --> MSAFP, HCG, & Oestriol In an affected pregnancy - level of MSAFP is decreased - level of oestriol is decreased - level of hCG is High (increased)