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
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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
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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
Cite this Entry
“Chorionic villus sampling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chorionic%20villus%20sampling. Accessed 10 Mar. 2025.
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