- Blood Type and Rh Factor: Determines the mother’s blood type and Rh factor to identify the risk of Rh incompatibility, which can lead to hemolytic disease in the newborn. - Complete Blood Count (CBC): Assesses overall health by measuring levels of red blood cells, white blood cells, and platelets, helping to detect anemia or infections. - Glucose Screening: Checks for gestational diabetes by measuring blood sugar levels. - Infectious Disease Screening: Tests for infections such as HIV, hepatitis B, syphilis, and rubella to prevent transmission to the baby. - Genetic Screening: Includes tests like the quad screen and cell-free DNA testing to detect chromosomal abnormalities.