The Double Marker Test is a crucial screening recommended during the first trimester of pregnancy (between 11–14 weeks) to assess the risk of chromosomal abnormalities in the developing baby. It measures two important markers in the mother’s blood—free Beta-hCG (human chorionic gonadotropin) and PAPP-A (Pregnancy-Associated Plasma Protein-A). Abnormal levels may indicate a higher risk... https://redcliffelabs.com/double-marker-test