Final answer:
Maternal serum screening is the analysis of maternal serum for abnormal levels that may predict chromosomal abnormalities of the fetus.
Step-by-step explanation:
Analysis of maternal serum for abnormal levels that may predict chromosomal abnormalities of the fetus is known as Maternal serum screening.
Maternal serum screening is a non-invasive prenatal screening test that involves analyzing the levels of certain substances in the pregnant person's blood. These substances can provide information about the risk of the fetus having certain chromosomal abnormalities, such as Down syndrome. It can help identify pregnancies that may benefit from further diagnostic testing like amniocentesis or chorionic villus sampling.