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Preimplantation Genetics Diagnostic (PGD)

Preimplantation genetic diagnosis (PGD) for aneuploidy is genetic test that performed on embryos during IVF treatment to screen for numerical chromosomal abnormalities. PGD is performed on a embryo biopsy prior to transfer and identifies which embryos are chromosomally normal. Chromosomally normal embryos are the most likely to develop to term and to be born as a healthy baby. PGS testing helps IVF physicians and patients decide which embryos to transfer.

Preimplantation genetic diagnosis (PGD) refers specifically to when one or both parents has a known genetic abnormality and testing is performed on an embryo to determine if it also carries a genetic abnormality. This test is performed during IVF treatment to screen embryos that are at risk to develop a serious genetic disorder. PGD is performed on a small embryo biopsy and identifies which embryos are not at increased risk of developing the disease. The goal of PGD testing is to help couples build a healthy family. PGD is done before the pregnancy is established and helps avoid difficult decisions and situations.