Comment: The AFP, BHCG, uE3, & Inhibin A (quadruple test) is a screen used to help predict the risk of certain birth defects including Down syndrome and neural tube defects (NTD’s). The quadruple screen may pick up more at-risk patients than the double screen (AFP/hCG) or the triple screen (AFP/hCg/uE3) and has higher sensitivity than either one
Sample: Serum, LMP, age, weight, birth date, number of embryos