< Back to All Videos thirdAGE > Chorionic Villus SamplingUp Next... 10Fetal Development: Month 06 Fetal Development: Month 06 Fetal Development: Month 07 Fetal Development: Month 08 Loading the player ... Pregnancy Chorionic Villus SamplingChorionic villus sampling or CVS is a prenatal test, which is used to diagnose certain birth defects and genetic abnormalities in your baby. Find out when this test is done, and what the risks and benefits are.Related Videos Fetal Development: Month 06 Fetal Development: Month 07 Fetal Development: Month 08 Fetal Development: Month 09 Share this: