THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Genetic Evaluation
  • Ultrasonography showing enlarged nuchal translucency in a fetus at 10 wk.

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    Ultrasonography showing enlarged nuchal translucency in a fetus at 10 wk.

    Chorionic villus sampling indicated that this fetus had Down syndrome.

    (Photo from Jeffrey S. Dungan, M.D.)

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