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chorionic villus sampling

chorionic villus sampling

1 7.9
A test in early pregnancy that takes a small tissue sample from the placenta to check for genetic problems
  • noun
  • /ˌkɔːriˈɒnɪk ˈvɪləs ˈsæmplɪŋ/
  • Specialized
translation icon : muestra de vellosidad coriónica
  • The doctor recommended that she undergo chorionic villus sampling to check for any genetic disorders early in her pregnancy.
  • chorionic villus sampling and amniocentesis
  • chorionic villus sampling (CVS)

Examples

  • In later stages of pregnancy, more invasive genetic testing such as chorionic villus sampling (CVS) and amniocentesis are often recommended.

    Blog text (28)
  • Although techniques such as chorionic villus sampling and early amniocentesis have allowed earlier diagnosis, by the time results of midtrimester amniocentesis or ultrasound are available, a woman may be beyond 20 weeks' gestation.

    Blog text (15)
  • Chorionic villus sampling (CVS), a test that determines chromosomal or genetic disorders in fetuses, wasn't quite as available during her first pregnancy.

    Blog text (14)
  • After discussing the benefits and risks, the couple decided to proceed with chorionic villus sampling during the first trimester.

  • Many expectant parents opt for chorionic villus sampling to screen for potential birth defects in the fetus.

Synonyms

chorionic villus biopsy
vschorionic villus sampling
  • Specialized
7.9

A medical test in early pregnancy that takes a small tissue sample from the placenta to check the baby's genes

focuses on early detection of birth defects rather than specific genetic causes

How Invasive

chorionic villus sampling
  • Specialized
1 7.9
amniocentesis
  • Specialized
6 8.2
prenatal diagnosis
  • Specialized
1 4.0
screening
23 3.9
sonography
  • Specialized
1 5.6

Surface Forms

Morphology

chorionic + villus + sampling

The phrase is fully compositional: 'chorionic' (relating to the chorion) + 'villus' (a small finger‑like projection) + 'sampling' (taking a sample) yields the literal meaning 'taking a sample of the chorionic villi.' Although the terms are specialized medical vocabulary, the overall meaning follows directly from the constituents, so a learner who knows those words can infer the MWE.

Etymology

The term chorionic villus sampling comes from the parts chorionic, the outer part around the baby in the womb, villus, small 'finger-like' pieces of tissue, and sampling, taking a tiny piece. The image of taking a tiny piece from those little 'fingers' helps you remember that it means 'a test that takes a small tissue sample early in pregnancy to check for problems'.