Doppler velocimetry in pregnancy

Who gets the test?

Doppler velocimetry is one way to make sure your baby is getting a healthy blood supply. You may need it if previous tests have shown that your child may have problems. Your child may be slow growing or anemic. You may also need a test if you have preeclampsia or low amniotic fluid.

Doppler velocimetry is different from standard Doppler, which checks your baby's heartbeat.

What does the test do

Doppler velocimetry uses ultrasound to check blood flow in the umbilical cord or between the uterus and placenta. If the blood supply is limited, your baby cannot get enough nutrients and oxygen.

How the test works

Doppler velocimetry is painless and safe. It's like a standard ultrasound. The technician will gently press the ultrasound transducer against the outside of the abdomen.

What you need to know about test results

If your doctor finds abnormal results, you may need to have additional tests or closer monitoring. In some cases, your doctor may recommend an early birth to help your baby.

How often is a test done during pregnancy?

It depends on your situation. You may need regular Doppler velocimetry to check on your child's condition. Or maybe you don't need it at all. Ask your doctor.