Article
First-Trimester Screening for Trisomies 21, 18 and 13 by Ultrasound and Biochemical Testing
18 Dec 2013
Abstract excerpt
OBJECTIVE: To examine the performance of screening for trisomies 21, 18 and 13 at 11-13 weeks' gestation using specific algorithms for these trisomies based on combinations of fetal nuchal translucency thickness (NT), fetal heart rate (FHR), ductus venosus pulsatility index for veins (DV PIV), and serum free β-human chorionic gonadotropin (β-hCG), pregnancy-associated plasma protein A (PAPP-A), placental growth...
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