Prenatal tests can detect some potential problems early so that steps can be taken to ensure the best possible outcome for you and your baby.

Some screening tests are performed on almost all pregnant women. Other screening tests are performed only if the parents have specific risk factors for certain conditions.

Diagnostic tests can also be done to determine if your baby is at risk of developing certain conditions or to provide additional information about your baby.

Your health care professional can best advise which prenatal tests are most appropriate for you. Our guide provides an overview of common prenatal tests.

The following tests are based on U.S. procedures. You can consult your health care professional for a list of procedures in your country.