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Medical Term:

nuchal translucency

Pronunciation: nu'kal trans-lu'sen-se

Definition: ultrasonographic finding of a single nonseptated lucenty (anechoic area) projecting from the posterior aspect of the fetal neck; measured at menstrual age 11–14 weeks. Increased thickness of this area indicates increased fetal risk for aneuploidy and some nonchromosomal disorders.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.