Nuchal translucency is a critical test during pregnancy, developed in order to predict Down syndrome and other genetic defects in the fetus. Dr.
Yezhar Erez, a senior physician in the gynecological-obstetrical ultrasound unit at the Ichilov Hospital, explains about the important test. In recent years, with the technological improvement in the imaging capabilities and resolution of the ultrasound devices, we are able to diagnose additional findings and abnormalities. In a groundbreaking work published in 1992 he proved that thickening of the nape of the neck in these fetuses occurs in the first trimester. This thickening significantly increases the risk of Down syndrome.