Which of the following prenatal diagnostic tests uses a sample of the placenta to detect genetic and chromosomal abnormalities in the fetus?
A)amniocentesis
B)chorionic villus sampling
C)noninvasive prenatal diagnosis
D)ultrasound sonography

Question

Quizplus · Accepted Answer

Chorionic villus sampling (CVS) is a prenatal diagnostic test that involves taking a sample of the chorionic villi, which form the placenta, to detect genetic and chromosomal abnormalities in the fetus. CVS is typically performed around 10-12 weeks of pregnancy and has a slightly higher risk of miscarriage compared to amniocentesis.

Which of the Following Prenatal Diagnostic Tests Uses a Sample