chorionic villus sampling

noun

: biopsy of a villus of the chorion at usually 10 to 12 weeks of gestation to obtain fetal cells for the prenatal diagnosis of chromosomal abnormalities

—abbreviation CVS

called also chorionic villi sampling

Examples of chorionic villus sampling in a Sentence

Recent Examples on the Web

Diagnostic tests such as chorionic villus sampling (CVS) and amniocentesis are more invasive but can diagnose abnormalities that previous screening tests may have flagged. —Krissi Danielsson, Parents, 30 July 2024

These might include chorionic villus sampling (CVS) or amniocentesis, which screen the baby for congenital disorders. —Tricia O'Brien, Parents, 11 July 2023

Currently, determining a fetus's genome requires either amniocentesis, in which a needle is inserted through the mother's abdomen into the amniotic sac, or chorionic villus sampling, in which a piece of placenta is removed. —Jennifer Welsh, Discover Magazine, 9 Dec. 2010

But that is not the case in a place like Texas, where a current six-week ban (likely to soon be followed by a near-total ban) would render moot the option of even an early prenatal diagnostic test such as chorionic villus sampling, which is typically administered at 10 weeks or later. —Gary Stix, Scientific American, 18 July 2022

Diagnostic tests, generally performed through invasive procedures, such as chorionic villus sampling and amniocentesis, also focus on specific disorders and confer risk of pregnancy loss that may inversely correlate with access to high-quality care. —Razib Khan, Discover Magazine, 6 June 2012

Both amniocentesis and chorionic villus sampling (another invasive procedure that collects placental cells from within the womb) carry a 1 percent risk of miscarriage. —Amy Barth, Discover Magazine, 20 Sep. 2011

In the 1980s, doctors started using chorionic villus sampling, or CVS, an analysis of placental tissue that offers a diagnosis earlier in pregnancy. —Anna Clark, ProPublica, 6 Dec. 2022

The high-probability patients are offered a more invasive diagnostic test using DNA either from the fetal cells floating in the amniotic fluid (amniocentesis) or from placental tissue (chorionic villus sampling). —Sarah Zhang, The Atlantic, 18 Nov. 2020

Word History

First Known Use

1983, in the meaning defined above

Rhymes for chorionic villus sampling

• resampling
• subsampling
• trampling

Medical Definition

chorionic villus sampling

noun

variants also chorionic villi sampling

: biopsy of the chorion frondosum through the abdominal wall or by way of the vagina and uterine cervix at 10 to 12 weeks of gestation to obtain fetal cells for the prenatal diagnosis of chromosomal abnormalities

—abbreviation CVS