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Preimplantation Genetic Diagnosis (PGD) and Preimplantation Genetic Testing (PGT)

Preimplantation Genetic Diagnosis (PGD) and Preimplantation Genetic Testing (PGT) are advanced technologies in the field of assisted reproduction. These methods enable the genetic analysis of embryos before transfer, ensuring the selection of healthy embryos and increasing the chances of successful treatment.

What are PGD and PGT?

  • PGD (Preimplantation Genetic Diagnosis): Used to detect specific genetic or hereditary diseases.
  • PGT (Preimplantation Genetic Testing): Used for general screening of chromosomal abnormalities or other genetic variations that may affect implantation or embryo health.

When Are These Methods Recommended?

  • Family History of Hereditary Diseases: Such as thalassemia, cystic fibrosis, or other monogenic disorders.
  • Repeated IVF Failures: When previous IVF attempts have not succeeded.
  • Recurrent Miscarriages: To identify chromosomal abnormalities that may impact embryo development.
  • Advanced Maternal Age: After age 35, the risk of chromosomal abnormalities increases.
  • Sperm Issues: When the sperm exhibits high levels of DNA fragmentation.
  • Medical Gender Selection: To prevent the transmission of specific diseases linked to sex chromosomes.

The Process

  1. Creation of Embryos via IVF:
    The process begins with in vitro fertilization (IVF), where eggs are fertilized with sperm in the laboratory.
  2. Embryo Biopsy:
    On the fifth day of development (blastocyst stage), a small number of cells are removed from the outer layer of the embryo (trophectoderm). This procedure is safe and does not affect the embryo's development.
  3. Genetic Analysis:
    The samples are sent to a specialized laboratory for testing to identify genetic or chromosomal abnormalities.
  4. Selection of Healthy Embryos:
    Embryos without detected abnormalities are selected for transfer or cryopreservation for future use.
  5. Embryo Transfer:
    The selected healthy embryo is transferred to the woman’s uterus.

Benefits of PGD and PGT

  • Higher Success Rates: Using healthy embryos improves the chances of implantation and successful pregnancy.
  • Reduced Miscarriage Risk: Selecting embryos without genetic abnormalities lowers the likelihood of miscarriage.
  • Prevention of Hereditary Diseases: Ensures the birth of a healthy child, free from genetic disorders.
  • Efficient Resource Management: Minimizes the need for multiple IVF cycles.

Potential Challenges

  • Cost: The procedure can increase the overall cost of IVF treatment.
  • Technology Availability: Requires specialized laboratories and trained personnel.
  • Ethical Considerations: In some cases, ethical concerns may arise, particularly with gender selection.

Our Approach

At our clinic, we offer state-of-the-art PGD and PGT techniques, ensuring each couple receives the highest level of support and precision in their treatment. Our team is dedicated to guiding you every step of the way, providing personalized care and the best possible experience.