A radiologic sign that appears as a translucent spot on a fetal sonogram and indicates subcutaneous fluid in the nuchal region of a fetus. It can be measured in early pregnancy to assess the risk of chromosomal abnormalities, especially Down syndrome.
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Words nearby nuchal translucency
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.