Nuchal lucency | definition of nuchal lucency by Medical dictionary
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.
References in periodicals archive
The features that could indicate SLOS during pregnancy are increased nuchal lucency
and the presence of various malformations.