PGT vs PGD: What’s the Difference and Which is Right for You?

Synopsis

PGT vs PGD: Preimplantation Genetic Testing (PGT) and Preimplantation Genetic Diagnosis (PGD) are two techniques used during IVF to screen embryos for genetic abnormalities. Though often used interchangeably, PGT and PGD serve different purposes. This blog will clarify the differences between the two and help you determine which is right for your fertility journey.

What Is PGT?

PGT is an umbrella term that encompasses several types of genetic tests performed on embryos before implantation. These tests screen for chromosomal abnormalities, such as aneuploidy (an abnormal number of chromosomes), and help identify embryos with the best chance of leading to a successful pregnancy.

What Is PGD?

PGD is a specific type of PGT used to diagnose embryos for specific genetic disorders that one or both parents are known to carry. This is particularly important for couples with a history of genetic diseases, such as cystic fibrosis or Huntington’s disease, as it allows them to select embryos free of these conditions.

Key Differences Between PGT and PGD

• Purpose: PGT is typically used to screen for general chromosomal abnormalities, while PGD is used to diagnose specific genetic disorders.
• When It’s Used: PGT is recommended for older women or those with a history of miscarriages, whereas PGD is used by couples with known genetic disorders.
• Process: Both involve the biopsy of embryos during the IVF process, but the focus of the genetic analysis differs.

Which Is Right for You?

The choice between PGT and PGD depends on your individual circumstances. If you’re concerned about general chromosomal abnormalities, PGT might be the best option. If there’s a specific genetic disorder in your family, PGD would be the appropriate choice.

A Word from Hegde Fertility

PGT vs PGD: Understanding the differences between PGT and PGD is crucial for making informed decisions during the IVF process. Consulting with a fertility specialist can help you determine which option aligns best with your needs.