Chorionic villus sampling (CVS) is a technique that allows early detection of fetal abnormalities by extracting and analyzing cells from the chorion, the tissue from which the placenta originates.
Although CVB is a very reliable technique, in 1% of cases it can lead to a questionable result due to mosaicism confined to the placenta. This is because the placenta contains cells with chromosomal alterations, but the fetus has developed from a correct cell line and is therefore healthy.
Read the full article on: What is chorionic villus sampling? – Indications and risks ( 75).
By Óscar Oviedo Moreno M.D. (gynecologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 02/11/2022
