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Fetal Free DNA

Fetal Free DNA

Prenatal tests help to determine abnormalities in your unborn child as early as the fetal stage of development. Fetal free DNA testing is a prenatal screening test that can identify certain birth defects in the fetus related to abnormal numbers of chromosomes. The test can also indicate the blood type and sex of the fetus.

Fetal free DNA is the genetic material of your unborn child that circulates in the maternal blood during pregnancy. The fetal DNA finds its way into the maternal blood through the placenta. It is found in small quantities during the first trimester and continues to increase during the pregnancy. Genetic tests can be performed using fetal DNA as early as 10 weeks in the pregnancy to detect for any abnormalities.

Fetal free DNA testing is usually recommended for women who have a high risk of giving birth to a baby with certain birth defects such as Down syndrome or trisomy 18. Some of these risk factors include:

  • 35 years or older
  • Ultrasound that indicates an increased risk of a birth defect
  • Previous pregnancy with birth defect

Fetal free DNA screening is performed by taking a sample of blood from your arm any time during or after the 10th week of pregnancy. The blood is sent to the lab for analysis.

A negative test result suggests that it is very unlikely that your baby will have a birth defect. Positive test results indicate an increased risk of having a birth defect. More invasive procedures, such as chorionic villus sampling (CVS) or amniocentesis, may be required to confirm or rule out a specific birth defect.

  • Mckinney

    McKinney
    6850 TPC Drive , Suite 105
    Unit B
    McKinney, TX 75070

    McKinney

    6850 TPC Drive , Suite 105
    Unit B
    McKinney, TX 75070

  • Grapevine

    Grapevine
    823 Ira E. Woods Avenue
    Grapevine, TX 76051

    Grapevine

    823 Ira E. Woods Avenue
    Grapevine, TX 76051

  • Rockwall

    Rockwall
    935 West Ralph Hall Pkwy
    Suite 103
    Rockwall, TX 75032

    Rockwall

    935 West Ralph Hall Pkwy
    Suite 103
    Rockwall, TX 75032

  • Dallas

    Dallas
    3800 San Jacinto
    Suite 123
    Dallas, TX 75204

    Dallas

    3800 San Jacinto
    Dallas, TX 75204

  • Tyler

    Tyler
    7925 S. Broadway Ave
    Suite 210
    Tyler, TX 75703

    Tyler

    7925 S. Broadway Ave
    Suite 210
    Tyler, TX 75703