Definition of chorionic villus sampling in English:

chorionic villus sampling

Syllabification: cho·ri·on·ic vil·lus sam·pling
(abbreviation: CVS)

noun

Medicine
  • A test made in early pregnancy to detect congenital abnormalities in the fetus. A tiny tissue sample is taken from the villi of the chorion, which forms the fetal part of the placenta.
    More example sentences
    • Another prenatal test, called chorionic villus sampling, can diagnose most, but not all, of the same birth defects as amniocentesis.
    • These options include amniocentesis, early amniocentesis, chorionic villus sampling, and ultrasound examination.
    • Women at higher risk of carrying a baby with such conditions may opt for testing procedures like amniocentesis or chorionic villus sampling.

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