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Because first trimester screening can be done earlier than most other prenatal screening tests, you'll have the results early in your pregnancy.

Risks There are no known risks linked with a nuchal translucency test, either to you or the baby.

assess the flow of blood across the tricuspid valve of the fetal heart and the ductus venosus What are the advantages of first-trimester ultrasound? The nuchal translucency test also called the NT scan uses to assess your developing baby's risk of having DS and some other chromosomal abnormalities, as well as major congenital heart problems.

Your age is factored in because although anyone can have a baby with a chromosomal abnormality, the risk increases as you age.

A nuchal translucency NT test uses abdominal ultrasound to measure the nuchal fold thickness of the fetus.

This is considered as a If the risk on the combined screening is negative or low risk, no special follow up is required.

Thickness of the translucency varies with gestational age:• As for the testing, we didn't do it either, but just because I hate giving blood!.

The DV flow is abnormal if the A peak is retrograde, away from the heart.

You will be called by your gynecologist for a routine ultrasound of your baby.