Article
Screening for Chromosomal Abnormalities by First Trimester Combined Screening and Noninvasive Prenatal Testing
25 Sept 2014
Abstract excerpt
PURPOSE: To examine combined first trimester screening (FTS), noninvasive prenatal testing (NIPT) and a two-step policy that combines FTS and NIPT in screening for aneuploidy. MATERIALS AND METHODS: Retrospective study involving 21,052 pregnancies where FTS was performed at the Praxis Praenatal.de in Duesseldorf, Germany. In each case, the sum risk of trisomy 21, 18 and 13 was computed. We assumed that NIPT...
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