PGT-A – Preimplantation Genetic Testing for Aneuploidy

At Monash IVF, we’re relentless in our mission to help you have a baby. That’s why discussion of embryo screening is always a vital part of your fertility consult. Screening for chromosome changes which occur at conception – usually due to an extra or a missing chromosome being present in an egg or sperm – can help improve the chance of successful pregnancy.

One in five of our patients choose to screen their embryos for chromosome changes in order to increase their chance of conception. If you’re undergoing IVF treatment, we recommend you consider preimplantation genetic testing for aneuploidy (PGT-A).

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Typical embryonic cells contain 46 chromosomes in 23 pairs – 23 chromosomes from each parent. If the egg or sperm has an extra or missing chromosome, then there is a high chance of miscarriage or failed implantation. This is the main cause of declining fertility with increasing maternal age.

Common questions

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While we perform the genetic testing, your embryos are kept frozen and in storage. When we identify embryos with the highest chance of implantation, they’re transferred individually in a frozen IVF cycle. Your remaining viable embryos stay frozen for future use.

Sound like something you’re keen to explore?

Start by chatting with your fertility specialist. They’ll discuss whether or not PGT-A is right for you.

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Wherever you are on your journey, one of our supportive nurses can help you understand your options and take the next step. These conversations are free and informative.

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