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Preimplantation Genetic Testing
Higher Success Rates with PGT
Combining IVF or ICSI with preimplantation genetic testing (PGT) increases your chances of pregnancy and lowers the risk of miscarriage. Experienced specialists are there to support you throughout the entire process.
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No long waiting times
In-house lab
Holistic care
Transparent costs
What is PGT?
Preimplantation genetic testing (PGT) analyses embryos created through IVF or ICSI for genetic conditions before transfer to the uterus.
This allows for the selection of embryos with a reduced risk of specific genetic conditions, minimising the likelihood of serious inherited diseases in the child.
Who benefits from PGT?
Many factors influence a couple's decision to pursue PGT. In consultation with our specialists, we can help you determine the most appropriate genetic testing for your specific situation.
Couples with failed IVF/ICSI cycles
PGT detects chromosomal abnormalities in embryos that may lead to repeated pregnancy loss or failed IVF/ICSI cycles.
Couples with a known genetic condition
PGT screens embryos for specific genetic disorders, including cystic fibrosis and Huntington's disease.
Women over 35 years
PGT reduces age-related chromosomal risks, improving healthy pregnancy outcomes.
What studies say
Explore the latest scientific research and findings about PGT:
Benefits of PGT with Cada
Increased pregnancy success
PGT allows for the selection of genetically healthy embryos, significantly enhancing the likelihood of a successful pregnancy.
Reduced risk of miscarriage
By analysing embryos prior to transfer, we identify and exclude those with chromosomal abnormalities, a leading cause of miscarriage.
Prevention of hereditary diseases
We analyze embryos to ensure transfer of those without specific genetic abnormalities, reducing hereditary disease risk.
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PGT: Step-by-Step
After egg retrieval and fertilization via IVF or ICSI, the embryos are cultured for five to six days. A biopsy is then performed before they are cryopreserved and sent to our partner laboratory, Genetica, for genetic analysis. We then discuss the results and plan the next steps.
Step 1
Genetic Counseling
Comprehensive genetic counseling is the initial step. We gather the couple's family medical history and determine the most suitable genetic tests.
Step 2
IVF/ICSI and Embryo Biopsy
Following hormonal stimulation, eggs are retrieved and fertilized via IVF or ICSI in the laboratory. Embryos are cultured, and on day 3 or 5, individual cells are biopsied for genetic testing.
Step 3
Genetic Analysis
The biopsied cells undergo genetic analysis in the laboratory. The results are then carefully reviewed and interpreted.
Step 4
Embryo Transfer
Based on the PGT results, a healthy embryo is selected and transferred into the uterus. Remaining healthy embryos are cryopreserved for future use.
Step 5
Pregnancy Test
A pregnancy test is performed approximately two weeks after embryo transfer. If pregnancy is confirmed, further prenatal testing (e.g., ultrasound, chorionic villus sampling, amniocentesis) may be recommended.
Your specialists at Cada
Your medical experts will be at your side from start to finish of your treatment. Our interdisciplinary teams are led by renowned specialists and ensure that you always receive the best possible treatment.
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Your personalised treatment process in the app
Stay informed and connected with the Cada app. Access your results, manage appointments, and learn more about IVF through helpful videos and articles. You can even reach out to your doctors directly.
Real-Time Medical Results
Track your laboratory results and get clear interpretations of your values.
Full Transparency
Gain digital access to every stage of your personalised treatment.
Expert Support
Reach out to your doctors directly via the app for tailored advice.
Data Protection
Your information is secure and treated with the utmost confidentiality.
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Our Location
Our Clinic in Zurich
At the modern Cada Clinic, located directly on Lake Zurich, you'll find fertility treatments such as IVF, ICSI, and social freezing.
All experts in one place
Peaceful location in Zurich Seefeld
On-site IVF laboratory
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We’re happy to answer your questions
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Frequently Asked Questions (FAQ)
Discover answers to the most common queries about PGT here. Should your question remain unresolved, please do not hesitate to reach out to us directly.
Is pre-implantation genetic testing permitted in Switzerland?
Preimplantation genetic testing (PGT) is permitted in Switzerland if there is a high risk of a serious hereditary disease or chromosomal disorder that cannot be prevented in any other way. It is also permitted for couples who cannot conceive naturally or who have already experienced several miscarriages.
Couples must undergo genetic counselling and the procedure must be approved by an ethics committee.
PGT may only be carried out in specialised centres, whereby the number of fertilised eggs is limited and only embryos up to a certain stage of development may be examined.
What is the cost of preimplantation genetic diagnosis?
The cost of PGD in Switzerland varies depending on the clinic and the scope of the examination. On average, couples can expect to pay between 800 and 2,000 Swiss francs per embryo analysed, depending on the procedure.
When is it useful to carry out preimplantation genetic diagnosis?
PGD can be useful if there is an increased risk of genetic diseases or chromosomal disorders in the child. This is the case, for example, if
- one or both parents are carriers of a genetic disease.
- a child has already been born with a genetic disorder.
- the woman is over 35 years old, as the risk of chromosomal disorders increases as the mother gets older.
- there is a history of several miscarriages.
- several unsuccessful IVF attempts have been undertaken.
How safe is preimplantation genetic diagnosis?
PGD is a very safe method, but not a 100% guarantee. The accuracy of the diagnosis is over 99%. In rare cases, it can happen that a genetic change is overlooked or that an embryo is wrongly categorised as diseased.
For whom is genetic testing of the embryo recommended?
Genetic testing of the embryo can be worthwhile for couples who have an increased risk of genetic diseases or chromosomal disorders in the child. It can help to increase the probability of a pregnancy with a healthy child and reduce the risk of miscarriage.
How does pre-implantation genetic testing work?
PGD comprises various procedures:
- PGT-A (pre-implantation genetic testing for aneuploidy): This involves analysing the number and structure of the embryo's chromosomes. Aneuploidies are numerical chromosomal abnormalities that can lead to miscarriages or genetic diseases such as trisomy 21 (Down's syndrome).
- PGT-M (pre-implantation genetic testing for monogenetic diseases): This involves a targeted search for a specific genetic change that causes a monogenetic disease, e.g. cystic fibrosis or Huntington's disease.
- PGT-SR (pre-implantation genetic testing for structural chromosomal abnormalities): This examines structural changes in the chromosomes, e.g. translocations or inversions.
Are the costs of pre-implantation genetic diagnosis covered by health insurance?
The costs of PGD are not covered by compulsory health insurance (OKP) in Switzerland. Any assumption of costs by the health insurance fund must be checked on a case-by-case basis.
Schedule your consultation now
During a personalised initial consultation, we take the time to comprehend your needs and offer informed advice on your available options.
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