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Chorionic villus sampling: clinical experience of the initial 750 cases
1Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Korea.
The Journal of Obstetrics and Gynaecology Research
|April 1, 1996
Summary
Chorionic villus sampling (CVS) is a safe and reliable early pregnancy diagnostic tool. Performed by experienced professionals, it accurately detects genetic abnormalities with a low fetal loss rate.
Area of Science:
- Medical Genetics
- Prenatal Diagnosis
- Obstetrics
Background:
- Chorionic villus sampling (CVS) is a crucial first-trimester prenatal diagnostic technique.
- Evaluating its success rate, safety, and reliability is essential for clinical practice.
- Understanding potential associations between CVS and congenital anomalies is vital.
Purpose of the Study:
- To assess factors influencing the success rate, safety, and reliability of chorionic villus sampling (CVS).
- To evaluate the relationship between CVS and congenital anomalies.
- To determine the efficacy of early pregnancy CVS as a diagnostic method.
Main Methods:
- Analysis of outcomes from 750 chorionic villus sampling (CVS) procedures.
- Procedures included 730 transcervical and 20 transabdominal approaches.
- Data collected from pregnant women undergoing CVS between 7 and 12 weeks of gestation.
Main Results:
- The overall sampling success rate was 98.0%, with higher success at later gestations (9 to 12 weeks).
- 16 abnormalities (2.2%) were detected via cytogenetic analysis.
- The overall fetal loss rate was 2.4%, with no congenital anomalies linked to CVS.
Conclusions:
- Chorionic villus sampling (CVS) is a safe and reliable method for prenatal genetic diagnosis in early pregnancy.
- CVS can potentially replace genetic amniocentesis.
- Expertise in performing CVS is crucial for optimal outcomes and patient safety.