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Chorionic villus sampling

R J Wapner1

  • 1Department of Obstetrics and Gynecology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.

Obstetrics and Gynecology Clinics of North America
|March 1, 1997
PubMed
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Chorionic villus sampling (CVS) is a safe first-trimester prenatal diagnostic tool for fetal disorders. It aids in diagnosing genetic conditions and understanding placental abnormalities, offering an alternative to later diagnostic methods.

Area of Science:

  • Prenatal Diagnostics
  • Fetal Medicine
  • Genetics

Background:

  • Chorionic villus sampling (CVS) has over 12 years of established safety and efficacy.
  • Developed as an alternative to amniocentesis to mitigate risks associated with later-term prenatal diagnosis.
  • CVS has become a cornerstone in early prenatal screening and diagnosis.

Purpose of the Study:

  • To highlight the utility of CVS as a primary first-trimester prenatal diagnostic technique.
  • To emphasize its role in diagnosing a range of fetal disorders.
  • To underscore its contribution to understanding specific placental and genetic conditions.

Main Methods:

  • Utilizes chorionic villus tissue obtained during the first trimester.
  • Employs cytogenetic, molecular, and biochemical analyses for fetal assessment.

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  • Clinical application and diagnostic outcomes over a 12-year period.

    • Main Results:

    • Demonstrates successful and safe application of CVS for over a decade.
    • Establishes CVS as a primary method for diagnosing fetal cytogenetic, molecular, and biochemical disorders.
    • Facilitates improved understanding of confined placental mosaicism and uniparental disomy.

    Conclusions:

    • CVS is a safe and effective first-trimester prenatal diagnostic tool.
    • It significantly aids in the early detection of fetal genetic and biochemical abnormalities.
    • The technique has advanced the study of placental and genetic anomalies.