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 ...

Many women miss out on the early viability scan if they fail to pick up the signals soon enough and the nuchal translucency scan or the NT scan gets to become the first pregnancy scan for them. This ...

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 ...