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
[{'content': 'Triple test for Down syndrome is by using all EXCEPT: September 2012 \nSelect and explain. \nA. Maternal HCG, B. Maternal Estriol, C. Maternal Alphafetoprotein, D. Maternal Inhibin A', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Materal HPL Inhibin A is counted in Quadruple test for Down syndrome.', 'role': 'assistant'}]