What is the name of the earliest test that occurs in the 11^th to 13^th week of pregnancy and can identify chromosomal abnormalities and other disorders,such as heart problems?

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The first-trimester screen, which occurs in the 11th to 13th week of pregnancy, is a screening test that can identify chromosomal abnormalities and other disorders such as heart problems. Amniocentesis and chorionic villus sampling (CVS) are diagnostic tests that are typically performed later in pregnancy to confirm or rule out potential genetic disorders or abnormalities. Ultrasound sonography is a common prenatal imaging test used throughout pregnancy to monitor fetal development, but it is not specifically designed to screen for chromosomal abnormalities or other disorders.

What Is the Name of the Earliest Test That Occurs