First-trimester screening for trisomies 18 and 13, triploidy and Turner syndrome by detailed early anomaly scan.

Abstract

OBJECTIVE To examine the performance of first-trimester ultrasound screening for trisomies 18 and 13, triploidy and Turner syndrome based on fetal nuchal translucency thickness (NT), additional fetal ultrasound markers including anatomy of the nasal bone (NB), blood flow across the tricuspid valve (TV) and through the ductus venosus (DV) and a detailed… (More)
DOI: 10.1002/uog.15829

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