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nuchal translucency sign |
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nuchal translucency sign
Obstetrics A thickening of the nuchal fold seen by ultrasonography in the first trimester fetus, once said to be specific for Down syndrome. See Down syndrome. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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