Is there anything else I need to know about an AFP test?AFP tests are often part of a series of prenatal tests called multiple marker or triple screen tests. In addition to AFP, a triple screen test includes tests for hCG, a hormone produced by the placenta, and estriol, a form of estrogen made by the fetus. These tests can help diagnose Down syndrome and other genetic disorders.If you are at higher risk for having a baby with certain birth defects, your provider may also recommend a newer test called cell-free DNA (cfDNA).  This is a blood test that can be given as early as the 10th week of pregnancy. It can show can show if your baby has a higher chance of having Down syndrome or certain other genetic disorders.
