Impact of a shift in nuchal translucency measurements on the detection rate of first-trimester Down syndrome screening: A population-based study.
Nicolas FriesLaurent J SalomonFrançoise MullerSophie DreuxVéronique Houfflin-DebargePhilippe CoquelPascale KleinfingerMarc Dommerguesnull nullPublished in: Prenatal diagnosis (2018)
In France, following a policy of quality assessment without standardized credentialing, the distribution of NT measurements did not fit the expected distribution. Down syndrome detection rate was 10% lower in screenings by sonographers with a median NT < 0.80 MoM.