Preimplantation Genetic Testing

Preimplantation Genetic Testing (PGT)

Preimplantation Genetic Testing (PGT) is a process used in conjunction with in vitro fertilization (IVF) to screen embryos for genetic abnormalities. PGT-M focuses on identifying specific genetic mutations that could be passed on to offspring, while PGT-A assesses the overall chromosomal health of embryos to increase the chances of a successful pregnancy. Both PGT methods help ensure that only the healthiest embryos are selected for implantation, making it a valuable tool for couples undergoing IVF, especially those with known genetic risks or recurrent pregnancy loss.

PGT Process Steps in IVF

  • IVF Procedure: Eggs are retrieved from the ovaries and fertilized with sperm to create embryos.
  • Embryo Development: The embryos are cultured for several days, usually until the blastocyst stage (around day 5).
  • Cell Sampling: A few cells are carefully removed from each embryo. This is typically done using techniques like trophectoderm biopsy.
  • Genetic Testing: The extracted cells are analyzed for specific genetic conditions, chromosomal abnormalities, or hereditary diseases. This can include tests like PGT-A (for aneuploidy screening) or PGT-M (for monogenic disorders).
  • Embryo Selection: Based on the results, only embryos without genetic issues are selected for transfer to the uterus.
  • Transfer and Pregnancy: The selected embryos are transferred to the woman’s uterus, with the hope of achieving a successful pregnancy.

Advantages of PGT-A (Preimplantation Genetic Testing for Aneuploidy) in IVF

Preimplantation Genetic Testing for Aneuploidy (PGT-A), previously known as Preimplantation Genetic Screening (PGS), offers several benefits in the context of in vitro fertilization (IVF). Here are some key advantages:

  • Improved Implantation Rates: PGT-A helps identify embryos with the correct number of chromosomes, increasing the chances of successful implantation and pregnancy.
  • Reduced Miscarriage Rates: By selecting embryos free from chromosomal abnormalities, PGT-A can lower the risk of miscarriage, which is often linked to aneuploidy.
  • Increased Live Birth Rates: The overall likelihood of achieving a live birth can be enhanced by transferring genetically normal embryos.
  • Shorter Time to Pregnancy: With a higher chance of success per transfer, PGT-A may reduce the number of IVF cycles needed to achieve a pregnancy.
  • Better Outcomes for Older Patients: For women of advanced maternal age, PGT-A can be particularly beneficial, as the risk of chromosomal abnormalities increases with age.

Overall, PGT-A can be a valuable tool in enhancing the success of IVF, providing hopeful outcomes for many aspiring parents.

The Advantages of PGT-M (formerly PGD)

Preimplantation Genetic Testing for Monogenic disorders (PGT-M), formerly known as Preimplantation Genetic Diagnosis (PGD), offers several benefits for couples considering in vitro fertilization (IVF) who are at risk of passing on genetic conditions. Here are some key advantages:

  • Disease Prevention: PGT-M allows for the selection of embryos that do not carry specific genetic disorders, reducing the risk of passing on hereditary conditions.
  • Increased Success Rates: By selecting embryos without genetic abnormalities, PGT-M can enhance the chances of a successful pregnancy and reduce the likelihood of miscarriage.
  • Improved Genetic Counseling: The process often involves thorough genetic counseling, helping families understand their risks and the implications of their genetic conditions.
  • Enhanced Understanding of Genetics: The process promotes greater awareness and understanding of genetic issues within families, fostering informed discussions about health and genetics.

Overall, PGT-M offers a proactive approach to managing genetic risks and supports families in achieving their reproductive goals.

Get in Touch with Us Today to Discover More!

If you’ve tried to start a family without success, even with assisted reproductive services, we invite you to speak with our genetic experts at Netcare IVF| Fertility to explore how provides cutting-edge genetic screening and diagnostic services (PGT-M and PGT-A ) specifically designed for in vitro fertilization can help. These techniques screen embryos for genetic abnormalities, allowing our team to identify genetic conditions early and enhancing your chances of achieving a healthy pregnancy and delivering a strong baby. To discover more about the innovative solutions our genetic team offers for infertility, reach out to our team today.