Genetic testing can play a valuable role in fertility care. It can help some people understand inherited risks and make informed decisions about treatment. Here is a plain-language overview of the most common options.
Carrier screening
Carrier screening is a blood or saliva test that checks whether you carry a gene change linked to certain inherited conditions. Carriers are usually healthy, but if both partners carry a change in the same gene, there may be a chance of passing the condition to a child.
Preimplantation genetic testing (PGT)
PGT is used during IVF. A few cells are taken from each embryo and tested before transfer. There are different types:
- PGT-M tests for a specific inherited condition known to be present in the family.
- PGT-SR looks for structural changes in chromosomes, such as translocations.
- PGT-A screens embryos for an abnormal number of chromosomes.
Genetic counselling
Genetic counselling helps you understand what a test can and cannot tell you, what the results might mean, and the choices available to you. We recommend counselling before and after any genetic test.
Is genetic testing right for me?
Not everyone needs genetic testing. It may be worth discussing if you have a family history of an inherited condition, have experienced recurrent pregnancy loss, or have had several unsuccessful IVF cycles.
Genetic testing gives information, not certainty. Good counselling makes sure that information is useful to you.
This article is for general information only and does not replace individual medical advice. Please speak with your specialist about your own circumstances.
