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2. Prenatal Screening Tests: Types and Diagnosis - Healthline

   www.healthline.com/health/pregnancy/prenatal-testing

   First trimester screening tests can begin as early as 10 weeks. These usually involve blood tests and an ultrasound. They test your baby’s overall development and check to see if your baby is at ...

3. Prenatal Testing: Routine Tests and Genetic Testing - WebMD

   www.webmd.com/baby/your-guide-prenatal-testing

   Integrated Screening.There are two phases to this test. In the first part, doctors combine the results of the ultrasound looking at your baby’s neck and the blood tests you got at 11-14 weeks.

4. Types of Genetic Tests Performed During Pregnancy - WebMD

   www.webmd.com/baby/pregnant-genetic-testing

   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. Genetic Testing During Pregnancy - Healthline

   www.healthline.com/health/pregnancy/genetic...

   It can also show the baby’s sex. Cell-free DNA screenings can be performed after week 10 of pregnancy. Carrier testing: Another screening can be done before you even get pregnant. This is called ...

6. Genetic Screening Tests for Women 35 or Older - WebMD

   www.webmd.com/baby/genetic-screening-tests-women...

   The quad marker screen can detect about 75% to 80% of neural tube defects. Genetic disorders such as Down syndrome. The test can detect about 75% of Down syndrome cases in women under age 35 and ...

7. NT Scan: What You’ll Find Out - Healthline

   www.healthline.com/health/pregnancy/nt-scan

   The first trimester screening is a type of prenatal testing that provides your doctor with early information about your baby’s health — namely your baby’s risk for chromosome abnormalities ...