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  1. Prenatal genetic screenings and diagnostic tests provide information on the fetus’s health. It can help families and healthcare providers make decisions about the pregnancy or the fetus. Genetic tests check for congenital conditions like Down syndrome, trisomy 13 and spina bifida. All genetic testing is optional.

  2. Both can place a pregnancy at risk for bleeding, infection, premature rupture of membranes, and even loss of the pregnancy. While the chance of any of these circumstances occurring is very low, it is still a risk we counsel a woman about prior to doing diagnostic testing. Many women have questions about genetic screening and diagnostic testing.

  3. Aug 6, 2024 · The two main types of testing for genetic conditions during pregnancy are: Screening tests. Prenatal screening tests can find out whether your baby is more or less likely to have certain genetic conditions. Most often, these screening tests are offered during the first or second trimester of pregnancy. They include blood tests and ultrasound.

  4. Aug 8, 2022 · Before Pregnancy: Genetic Carrier Screening Tests. First Trimester Screening Tests. Second Trimester Screening Tests. Diagnostic Tests: Amniocentesis and Chorionic Villus Sampling (CVS) 5 min read ...

  5. Noninvasive screening tests (such as ultrasonography or blood tests) are often done first, and if the results are abnormal, a pregnant woman can decide whether to have invasive testing. Invasive tests, such as chorionic villus sampling , amniocentesis , and percutaneous umbilical blood sampling , use a sample of the fetus's deoxyribonucleic acid (DNA) and are more accurate.

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  7. Mar 22, 2023 · Cell-free fetal DNA testing. Doctors use this test to find your baby’s DNA in your blood and check it for Down syndrome and two other genetic conditions, trisomy 18 and trisomy 13. This test has ...

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