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Prenatal diagnosis in Switzerland
C D DeLozier-Blanchet1, J Wisser
1Division of Medical Genetics, University of Geneva Hospital, Switzerland. delozier@cmu.unige.ch
European Journal of Human Genetics : EJHG
|January 1, 1997
Summary
Prenatal diagnosis in Switzerland is fragmented, with limited access to advanced genetic testing outside university centers. Improving training for medical staff is crucial for future prenatal and postnatal diagnostics.
Area of Science:
- Medical Genetics
- Public Health
- Reproductive Medicine
Background:
- Switzerland has approximately 83,000 births annually, with a population over 7 million.
- No national registry exists for prenatal diagnosis (PND) or congenital malformations.
- Healthcare is decentralized across 23 cantons, impacting PND accessibility.
Purpose of the Study:
- To outline the current landscape of prenatal diagnostic services in Switzerland.
- To identify challenges and future needs in prenatal and postnatal diagnostics.
Main Methods:
- Review of PND service availability across Swiss cantons.
- Assessment of screening and diagnostic test accessibility (ultrasound, biochemical, cytogenetic, DNA-based).
- Estimation of invasive prenatal diagnostic technique utilization.
Main Results:
- Ultrasound screening is universally available; other PNDs depend on proximity to specialized centers.
- Maternal serum screening is offered by 15-20 labs; cytogenetic analysis in 8.
- DNA-based diagnosis is confined to 5 university medical school genetics departments.
- An estimated 10% of gestations undergo invasive prenatal diagnostic techniques.
Conclusions:
- Switzerland's PND services are characterized by limited national coordination and uneven access.
- A significant future challenge is the need for comprehensive training of medical and paramedical personnel.
- Enhanced training is essential for current and future pre- and postnatal diagnostic capabilities.