As with amniocentesis, obstetricians may suggest using CVS, short for chorionic villus sampling, to detect genetic disorders such as Down Syndrome. In CVS, specialists perform an ultrasound to ...

Medically reviewed by Kumkum S. Patel, MD Intestinal villi (singular: villus)are tiny, finger-like projections that line the ...

Chorionic villus sampling (CVS) is a newer and slightly more risky alternative to amniocentesis that is performed earlier in the course of development, between 10 and 12 weeks of pregnancy.