If you’re pregnant, your doctor might have mentioned an NT scan or first-trimester screening ... All unborn babies have a skin fold, called a nuchal fold, at the back of the neck that holds ...

Axial image of the fetal head shows thickening of nuchal fold. Nuchal fold is measured during the second trimester on an axial image slightly off the biparietal diameter plane. The cerebellum ...

Keith Eddleman, MD, Maternal-Fetal Medicine The newest test on the market is something called the first trimester screen, or the nuchal-translucency and basically it incorporates 5 different factors.

Nyberg and colleagues [12] compared second-trimester (14 to 20 weeks ... sonographic markers for trisomy 21 included the nuchal fold, short femur, and an EIF. However, the false-positive rate ...