Screening for Birth Defects in Early Pregnancy (Combined Test, Integrated Test, and Quadruple Test)
What is the test?
A combination of blood test results and the findings seen on a fetal ultrasound can enable doctors to identify pregnancies that are at a higher risk for birth defects. Examples of birth defects that screening can identify are Down syndrome and neural tube defects (brain and spinal cord problems). If the screening tests suggest problems, your doctor might recommend additional tests, such as amniocentesis or chorionic villus sampling, to confirm the findings.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
