Our objective was to evaluate changes in the timing of prenatal diagnosis and abortion for chromosomal abnormalities over the past 10 years.This retrospective review identified singleton pregnancies with fetal chromosomal abnormalities that were diagnosed from 2005-2014 and included Down syndrome, Trisomy 18, and Trisomy 13. The study period was divided into 3 intervals: 2005-2006; 2007-2011; and 2012-2014. Gestational ages at prenatal diagnosis and abortion were compared over these intervals.The 213 cases included 142 cases of Down syndrome (66.7
作者:Heather, Hume;Stephen T, Chasen
来源:American journal of obstetrics and gynecology 2015 年 213卷 4期