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Genetic Testing on Your Embryos

If you are undergoing fertility treatment with in vitro fertilization (IVF), your fertility doctor may recommend preimplantation genetic diagnosis (PGD) or preimplantation genetic screening (PGS), particularly if you are at risk of passing on a genetic disorder or if you have experienced from recurrent miscarriages.

PGD is a laboratory technique that screens for single-gene defects that may cause genetic disorders when one or both genetic parents carry a gene mutation or a balanced chromosomal rearrangement. PGS is performed to determine whether a specific mutation or an unbalanced chromosome has been transmitted to the egg or embryo.

PGS (also known as aneuploidy screening) involves checking the chromosomes of embryos conceived by in vitro fertilization (IVF) or intra-cytoplasmic sperm injection (ICSI) for common abnormalities.

PGS and PGD give couples the option of using only the "good" embryos in an embryo transfer and can help increase your chances of success with IVF. PGD may also be used for gender selection at some fertility clinics.

Click here for more information on PGD and PGS. Watch as Danielle Vitiello of Fertility Center of New England explains the difference between PGD and PGS:

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