Health & Pregnancy
Birth Defects Testing - Types of Tests
You and your doctor can choose from several tests. What you choose depends on your wishes, where you are in your pregnancy, your family health history, and what tests are available in your area. You may have no tests, one test, or several tests.
Screening tests show the chance that a baby has a certain birth defect. Diagnostic tests show if a baby has a certain birth defect.
| Screening tests | When they are usually done |
|---|---|
|
First trimester screening (first part of integrated screening) |
10 to 13 weeks |
|
Triple or quad screening (second part of integrated screening) |
15 to 20 weeks |
|
Ultrasound (pictures of baby's body) |
18 to 20 weeks |
| Diagnostic tests | When they are usually done |
|---|---|
| 10 to 13 weeks | |
| 15 to 20 weeks |
WebMD Medical Reference from Healthwise
Last Updated:
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This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this
information.
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