Prenatal Tests: A Quick Guide to Types and Procedures
Ultrasound and Other Imaging Tests
These tests use sound waves or other imaging techniques to create pictures of your baby in the womb. They can help check your baby's growth and development, and rule out certain birth defects.
Chorionic Villus Sampling (CVS)
CVS is a test that is done in the first trimester of pregnancy. It involves taking a small sample of cells from the placenta. CVS can be used to diagnose certain genetic disorders and birth defects.
Amniocentesis
Amniocentesis is a test that is done in the second trimester of pregnancy. It involves taking a small sample of amniotic fluid from the sac surrounding the baby. Amniocentesis can be used to diagnose certain genetic disorders and birth defects.
Percutaneous Umbilical Blood Sampling (PUBS)
PUBS is a test that is done in the second or third trimester of pregnancy. It involves taking a sample of blood from the umbilical cord. PUBS can be used to diagnose certain genetic disorders and birth defects.
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