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10Sep, 2019

Preimplantation Genetic Testing for Aneuploidy – PGT-A

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What is PGT-A? PGT-A (Preimplantation Genetic Testing for Aneuploidy) previously known as Preimplantation Genetic Screening (PGS), is a method of screening embryos for chromosomal abnormalities prior to transfer back to the womb at the time of IVF.   How is PGT-A helpful? It is expected that a proportion of all embryos formed will be chromosomally abnormal (chromosomes being the packages that carry genetic information). These are known as aneuploid embryos. This is true whether the embryo was formed through natural conception or assisted conception (IVF). A chromosomally abnormal embryo is […]