toggle mobile menu Menu
toggle search menu

Site Navigation



Prenatal Screening Tests


First-Trimester Screening for Birth Defects

What is a prenatal screening test?

A screening test will tell you the likelihood or "odds" that your baby has a certain birth defect or disorder. It does not have the ability to rule out or diagnose a condition. The advantage of a screening test is that it usually poses no risk for harm to you or your unborn baby.

With a screening test, the "detection rate" refers to the percentage of cases of the condition that is detected. A screening test will have a certain "false positive" rate, which is the percentage of results that falsely show increased risk.

Test options include nuchal translucency (NT) ultrasound, FirstScreen®, Sequential Screen, fetal anatomy ultrasound, and fetal echocardiogram.


  • Obstetrics and Gynecology

    Complete care for women during pregnancy, and general wellness exams and reproductive system care for women of all ages.
  • Maternal Fetal Medicine

    Treatment for women with high-risk pregnancies, and women who need treatment for their developing fetus.

Articles & Resources

  • showing 2 of 2
  • Article

    Pregnancy: Should I Have Screening Tests for Birth Defects?

  • Article

    Pregnancy: Should I Have an Early Fetal Ultrasound?