Ultrasonographic measurement of nuchal translucency (NT) in the human fetus at gestational age between 10 to 14 wk is a common screening method to detect trisomy 21. Increased NT is associated with a ...
Oct. 14, 2002 — Measuring nuchal translucency in the early second trimester may be the best single test for fetal trisomy 21 and other chromosomal abnormalities, according to a report in the October ...
Cell-free DNA (cfDNA) testing for fetal trisomy is highly effective among high-risk women. However, there have been few direct, well-powered studies comparing cfDNA testing with standard screening ...
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