Skip to Content
Medical Term:

nuchal lucency

 

Definition: ultrasound finding of a lucent (anechoic) area behind the fetal neck early in pregnancy. An increase in the size of this area is associated with increased risk for Down syndrome, congenital heart disease, and other anomalies.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide