Medical Genetics Amniocentesis 16-week fetus ultrasound- DNA Centrifuged Fetal cells Chorionic Villus Sampling 10-11 week fetus DNA Cells of chorion AVS 9 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more informationThis document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information