What is the AFP PLUS® Quad Test?
It is a blood test done between the 15th and 20th week of pregnancy that allows us to measure certain substances that come from the developing fetus and placenta and are present in mother’s blood. The substances that we measure are called AFP, hCG, estriol, and inhibin-A. By finding out what the levels of these substances are in your blood, we learn certain things about your developing baby.
