1 Cardiomyopathy and Women's health symptoms and Movement symptoms (12 causes) 2  Cardiomyopathy and Women's health symptoms and Muscle symptoms (12 causes) 3  Cardiomyopathy and Women's health symptoms and Nerve symptoms (12 causes)  Cardiomyopathy and Women's health symptoms and Heart symptoms (11 causes)
chorion. the outermost of the fetal membranes, composed of trophoblast lined with mesoderm; it develops villi, becomes vascularized by allantoic vessels, and forms the fetal part of the placenta. chorion frondosum. the part of the chorion covered by villi.
Chorionic villus sampling (CVS) is a test performed during pregnancy. It determines if an unborn child is at risk for congenital defects. The test can detect more than 200 types of genetic and biochemical conditions. Common risks of the test include bleeding and cramping.