Understanding PGT Treatment: A Comprehensive Guide to Preimplantation Genetic Testing

Team BoonIVF
Team BoonIVF

Fertility Center

Preimplantation Genetic Testing (PGT) has emerged as a powerful tool in the field of assisted reproductive technology, ensuring a healthier and more informed approach to pregnancy. In this blog we discuss the core of PGT treatment, illuminating its significance in preemptively screening for genetic abnormalities before the critical stage of embryo implantation. By offering a nuanced understanding of PGT, this guide aims to empower couples with the knowledge needed to make informed decisions, fostering a path to parenthood that is not only assisted but optimized for a healthy start. 

Embarking on the journey of assisted reproductive technology, couples encounter the transformative potential of Preimplantation Genetic Testing (PGT). This guide unravels the layers of PGT treatment, a crucial step in ensuring a healthy pregnancy. By screening for genetic abnormalities before embryo implantation, PGT treatment provides a preemptive strategy, mitigating potential risks and enhancing the chances of a successful pregnancy.

Delving into the intricacies of PGT-A, PGT-M, and PGT-SR this guide navigates the landscape of genetic testing, offering couples a comprehensive understanding of its relevance. As we unfold the procedural aspects and considerations surrounding PGT, it becomes clear that this technology not only supports but optimizes the journey toward a healthier, more informed parenthood.

What is PGT?

Preimplantation Genetic Testing (PGT) is a revolutionary technique in assisted reproductive technology, offering precise insights into the genetic health of embryos before implantation. It consists of three primary types:

  1. PGT-A (Aneuploidy), which screens for chromosomal abnormalities
  2. PGT-M (Monogenic), targeting specific genetic conditions
  3. Preimplantation Genetic Testing for Structural Rearrangements (PGT-SR), which detects known chromosomal mis-arrangements like inversion and translocation.


Testing Embryos Before Implantation

Fertility specialists employ PGT treatment to address two key concerns. Firstly, it determines if embryos carry genetic abnormalities linked to failed implantation and miscarriage, crucial for optimizing the success of IVF. Secondly, it identifies embryos with genetic defects, enabling the avoidance of inheritable conditions and minimizing the risk of disorders such as muscular dystrophy.

Embryos exhibiting these abnormalities are disqualified from being transferred into the mother’s womb for a potential pregnancy. Studies indicate that genetic errors in embryos significantly contribute to both unsuccessful pregnancies and live births. Couples interested in PGT testing can engage in consultations with fertility specialists to explore available procedures and make informed decisions tailored to their unique circumstances.

Who Benefits from PGT?

PGT extends its benefits to couples facing specific challenges on their fertility journey. This includes:

  1. Those with a history of genetic disorders
  2. Advanced maternal age
  3. Recurrent pregnancy loss
  4. Unsuccessful IVF cycles

PGT treatment plays a pivotal role in family planning, offering valuable insights for individuals at risk of passing on genetic conditions. By tailoring family planning strategies with the precision of genetic testing, PGT empowers couples to make informed decisions, optimizing the chances of a healthy and successful pregnancy.

The PGT Procedure: Navigating Precision in Genetic Assessment

The PGT procedure unfolds with meticulous steps, beginning with:

  1. Embryo biopsy—a delicate process ensuring minimal impact on future fetal development.
  2. Subsequently, genetic analysis utilizes advanced laboratory processes and cutting-edge technology. This includes the targeted examination of single gene disorders (PGT-M)or (PGT-SR) and broad screening for aneuploidy in all chromosomes (PGT-A). 

The preferred method involves sampling 5–10 cells from the trophectoderm, emphasizing precision and accuracy. This innovative approach minimizes invasiveness, offering a comprehensive genetic evaluation. Despite its efficacy, the possibility of false-positive and false-negative results underscores the importance of expert interpretation in this transformative genetic journey. PGT treatment helps in securing a more informed and successful reproductive journey.

PGT Considerations: Navigating Risks and Ethical Frontiers

It is crucial to navigate ethical considerations, potential risks, and inherent limitations as we try to learn about Preimplantation Genetic Testing (PGT). Let’s explore:

  • Health Risks: Documented minimal health risks for children born post-PGT testing, consistent with typical IVF risks to both mother and child.
  • Embryo Handling Risks: Delicate procedures such as embryo biopsy, freezing, and thawing entail a slight risk of damage, leading to non-implantation in around 5% of cases.
  • Accuracy Concerns: PGT testing is not 100% accurate, necessitating typical prenatal testing post-pregnancy to validate findings.
  • Ethical Dimensions: Evolving PGT technologies raise ethical concerns, particularly regarding the potential selection of specific traits, placing them within the moral realm of eugenics.
  • Debates and Laws: Ongoing debates surround the identification of genetic traits, emphasizing the need for guiding laws to navigate the evolving landscape of fertility technologies.

Preimplantation Genetic Testing (PGT) emerges as a transformative force in family planning, revolutionizing the approach to parenthood. Offering insights into preventing genetic disorders, PGT treatment ensures a more informed and secure reproductive journey. Despite acknowledged risks, the benefits of accurate genetic assessment and trait selection outweigh the challenges, providing couples with a powerful tool for healthier family planning.

The Boon IVF is your dedicated ally in navigating the complexities of the PGT procedure. With advanced technologies, expert guidance, and personalized care, The Boon IVF ensures a seamless and supportive experience. Our fertility experts collaborate with you, tailoring PGT treatment to your unique needs and optimizing the chances of a successful reproductive journey.

Consult our fertility experts for personalized advice on incorporating PGT treatment into your family planning and discover the power of informed choices to a healthy and fulfilling parenthood. Schedule your consultation now and take the next step towards building your family with confidence.