Gynaecology & Obstetrics General c3dd7116 Triple test for Down syndrome is by using all EXCEPT: September 2012 A Maternal HCG B Maternal Estriol C Maternal Alphafetoprotein D Maternal Inhibin A High-Yield Explanation Ans. D i.e. Materal HPL Inhibin A is counted in Quadruple test for Down syndrome.