CVS gives diagnostic results earlier than amniocentesis, with a small procedure-related risk. It is used where an early definitive answer is important, such as after a known inherited condition or an abnormal screening result.
Also known as: CVS, placental biopsy
Related Canada guides
Sources
- Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only โ always follow the advice of your own clinic, doctor or pharmacist.
