The Double Marker Test is a crucial prenatal screening test recommended during the first trimester of pregnancy to evaluate the risk of genetic and chromosomal disorders in the fetus. This blood test measures the levels of free Beta-hCG (human chorionic gonadotropin) and PAPP-A (pregnancy-associated plasma protein A) in the mother’s blood. When combined with the NT (Nuchal Translucenc... https://redcliffelabs.com/double-marker-test