Understanding Genetic Risk in Recessive Disorders

Many genetic conditions are inherited in a recessive pattern, which means both partners may carry a copy of a gene mutation without being affected themselves. However, when both parents are carriers of the same disorder, their child has a 25% chance of inheriting the condition.

This scenario is more common than most people realize, especially in cases where there’s a family history of conditions such as cystic fibrosis, Tay-Sachs, sickle cell anemia, or thalassemia.

How IVF and Embryo Biopsy Make a Difference

Thanks to IVF, we can create embryos in the lab and then perform a biopsy, carefully removing a few cells from the outer layer of each embryo (the trophectoderm). These cells are sent to a specialized genetics lab, where they are analyzed using pre-designed probes based on the couple’s genetic makeup.

This process allows us to:

• Identify unaffected embryos
• Detect embryos that are carriers
• Spot affected embryos, which would be at risk if transferred

Typically, genetic results return within about two weeks, after which we sit down with our patients to explain the results and discuss the best next steps.

Making Informed, Empowered Decisions

This approach offers couples informed options: they can choose to transfer an embryo that is unaffected or a carrier (just like the parents), while avoiding those that would likely develop the genetic condition. It’s a proactive way to reduce the risk of inherited diseases and increase the likelihood of a healthy child.

A Future Guided by Hope and Science

For families who are carriers of single-gene disorders, embryo biopsy and PGT-M offer a remarkable way to build their families with greater confidence and peace of mind. It combines the emotional journey of parenthood with the power of modern science, an intersection where real hope lives.