Chorionic villus sampling is a prenatal diagnostic test performed for prenatal genetic testing involving a biopsy of placental tissue between 10 to 13 weeks gestation. The tissue harvested is the ...

NEW YORK (Reuters Health) - Testing for genetic defects early in pregnancy through chorionic villus sampling, or CVS, does not appear to raise the risk of fetal loss. CVS involves using a needle to ...

August 16, 2010 — Chorionic villus sampling (CVS) at 11 to 13 weeks of gestation is not linked to hypertensive disorders in pregnancy, according to the results of a study reported in the August issue ...

This test is usually offered to women who are considered high risk for having babies with genetic disorders such as cystic fibrosis or chromosomal abnormalities. A sample of the cells that line the ...