Ultrasonographic fetal soft markers in a low-risk population : Prevalence, association with trisomies and invasive tests
Objective To investigate the prevalence of soft markers identified at second trimester ultrasound in a low-risk population and the association of these markers with trisomies and invasive testing. Design Prospective observational study. Setting Swedish University Hospital. Population All women with fetuses examined by ultrasound at 15+0-22+0 weeks gestation between July 2008 and March 2011. Method
