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 ...

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 ...

CVS is done when there is evidence an unborn baby may have a genetic abnormality, like Down’s syndrome. The outer reaches of the baby’s placenta, where it fuses with the mother (chorionic villi) are ...

CLEVELAND, Ohio -- A new type of noninvasive prenatal test is becoming more readily available for pregnant women to find out if they are at risk of giving birth to a baby with a chromosomal ...

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 ...

A medical procedure in which a catheter is inserted through the vagina and cervix to obtain a small sample of tissue from the edge of the chorion to diagnose possible defects of the developing foetus.

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 ...