Medicine » Medical Genetics » "Genetics and Etiology of Down Syndrome", book edited by Subrata Dey, ISBN 978-953-307-631-7, Published: August 29, 2011 under CC BY-NC-SA 3.0 license. © The Author(s).

Chapter 17

First Trimester Screening for Trisomy 21 by Maternal Age, Nuchal Translucency and Fetal Nasal Bone in Unselected Pregnancies

By Ksenija Gersak, Maja Pohar-Perme and Darija M. Strah
DOI: 10.5772/23810