Is Genetic Testing for IVF Worth It?
Genetic testing can often mean the difference between a failed IVF attempt and a successful one. Though usually optional, it’s a powerful tool that allows screening of embryos for inherited conditions — helping select the healthiest ones for transfer. Still, many aspiring parents ask: Is genetic testing for IVF truly worth it?
Types Of Genetic Testing
Genetic testing in IVF involves taking a sample of a human embryo and checking it for any genetic disorders and abnormalities like sickle cell disease and cystic fibrosis.
There are three types of genetic testing, and your doctor will recommend a certain type based on your medical history and the factors involved in your fertility journey.
PGT-A (Preimplantation Genetic Testing for Aneuploidy)
A normal, healthy human embryo has 23 pairs of chromosomes, or 46 chromosomes in total. PGT-A screens for genetic abnormalities and identifies embryos that have an extra or missing chromosome.
Embryos with missing or extra chromosomes, known as aneuploid embryos, often fail to implant or may lead to miscarriage or genetic disorders such as Down syndrome, Turner syndrome, or Patau syndrome.
By identifying and selecting euploid embryos (those with the correct number of chromosomes), PGT-A increases your chances of a healthy pregnancy and helps reduce the emotional and physical strain caused by failed transfers.
PGT-M (Preimplantation Genetic Testing for Monogenic Disorders)
PGT-M is used when one or both parents carry a gene for a known inherited disorder. It detects single-gene mutations that could lead to diseases such as cystic fibrosis, Tay-Sachs disease, or sickle cell anaemia.
Couples with a family history of genetic conditions, or who are identified as carriers, are often advised to consider this test.
PGT-SR (Preimplantation Genetic Testing for a Structural Rearrangement)
In PGT-SR, the embryos are screened for chromosomal structural rearrangements to identify abnormal embryos. If there is not enough chromosomal material present, it lowers the chances of a live birth taking place.
Who Should Consider PGT Testing?
Ultimately, the decision to undergo genetic testing lies with the patient or couple. It’s important to have a conversation with your fertility specialist to determine whether preimplantation genetic testing is appropriate in your case. Genetic testing isn’t necessary for every IVF patient, but it is commonly recommended in the following situations:
- Recurrent miscarriages or failed IVF cycles
- Advanced maternal age (35+)
- Unexplained infertility
- Family history of genetic disorders
- Known carriers of inherited diseases
Speak to a fertility specialist at Bloom IVF to determine if genetic testing is right for your journey.
Why Many IVF Experts Recommend Genetic Testing
To figure out, ‘Is genetic testing for IVF worth it?’, we need to explore the pros and cons of this procedure. Thanks to its many advantages, many fertility specialists in India recommend undergoing PGT during IVF treatment.
Prevents Transmission Of Genetic Abnormalities To Children
You or your partner could unknowingly be a carrier for certain genetic abnormalities, even if they don’t affect you.
Genetic testing allows couples who carry genetic conditions to avoid passing them on to their children. PGT-M can identify the gene mutation for over 1700 inherited genetic conditions.
Can Prevent Failed Embryo Transfers And Miscarriage
Genetic testing can determine whether your embryos carry specific mutations that may increase the risk of miscarriage. By choosing the healthiest embryos, you can avoid the stress and pain of a failed IVF cycle.
If you do not want your children to be affected by inherited conditions such as cystic fibrosis or diabetes mellitus Type I or II, you can get your embryos tested to find the ones that are free from them.
Helps Avoid Multiple Implantation Attempts
Genetic testing is an additional expense over IVF charges. Understandably, the cost can be a deterrent for some couples since they consider it unnecessary.
However, genetic testing can actually help you identify the embryos that are worth transferring and that have the best chances of survival. This helps doctors implant the best embryo right away, rather than putting you through multiple implantation attempts, trying to find the best choice.
Limitations and Considerations of Genetic Testing
There are also a few downsides to genetic testing for IVF.
Not all genetic abnormalities are detectable by PGT
It works particularly well for known genetic conditions and chromosomal abnormalities, but it may overlook rare mutations or microdeletions/microduplications.
Therefore, although genetic testing can provide a great deal of information about the embryo, it’s not 100% effective, as not all congenital disorders can be identified via a gene or chromosome.
Genetic Testing Can Be Expensive
Although genetic testing can be very useful, it also poses an additional expense to couples doing IVF. The cost of genetic testing depends on the type of PGT, the number of embryos tested, and the clinic.
On average, PGT-A is the most commonly used and generally more affordable. PGT-M and PGT-SR involve more specialized testing and may be costlier. Although it adds to IVF expenses, many couples find the cost justified by the reduced risk of miscarriage, fewer IVF cycles, and the assurance of transferring healthy embryos.
At Bloom IVF, we understand that couples want the best for their future child and offer affordable IVF packages with preimplantation genetic testing.
Real Patient Experience: How Genetic Testing Changed Our IVF Journey
Patient testimonial:
“We were shocked to discover we both carried the same rare recessive genetic mutation. Without genetic testing, we would never have known. Thanks to PGT-A and PGT-M, we were able to choose embryos that gave us the best chance at a healthy baby.”
Knowledge is power. Genetic testing empowers you with critical, significant information about your embryos, which enables you and your doctor to make informed reproductive decisions that will improve the outcome of your treatment. While not mandatory, it is especially beneficial for patients with genetic risks, previous IVF failures, or advanced maternal age.
When you’ve already invested so much in your fertility journey – emotionally, physically, and financially – adding genetic testing can be a wise step toward a safer and more successful outcome.
Frequently Asked Questions
What is the main purpose of genetic testing in IVF?
Genetic testing helps identify embryos with genetic or chromosomal abnormalities and select the healthiest ones for transfer, which improves chances of pregnancy and reduces the risk of inherited genetic conditions.
Does genetic testing harm the embryo?
No. Preimplantation genetic testing is a safe procedure when performed by experienced embryologists. A few cells are gently biopsied from the embryo at the blastocyst stage (usually day 5 or 6), and this does not affect the embryo’s development or implantation potential.
Does genetic testing improve the success rate of IVF?
Yes, pre-implantation genetic testing can improve the success rates of IVF as it helps select chromosomally normal embryos for implantation and also reduces the chances of miscarriage due to chromosome abnormalities.
Who is PGT-A helpful for?
It screens for embryos with the correct number of chromosomes, which are more likely to implant and develop into healthy pregnancies. This is particularly helpful for women over 35 or those with recurrent pregnancy loss.
When is PGT-M recommended?
When one or both parents are carriers of a specific genetic disorder. PGT-M ensures only embryos without that mutation are transferred.
