Chorionic villi are the exchange structures of the placenta where human fetuses receive oxygen and nutrients from maternal blood, this article reports an improvement of a published method to ...

Netherlands-based researchers suggest that a technique currently used to detect fetal chromosomal abnormalities in maternal amniotic fluid or chorionic villi samples is sensitive enough to detect ...

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 ...