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.

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 ...

Sameer Raniga, MD, DNB; P.D. Desai, MD; Hetal Parikh, MD The most commonly studied soft markers of aneuploidy include a thickened nuchal fold, rhizomelic limb shortening, mild fetal pyelectasis ...