Preimplantation Genetic Diagnosis (PGD)

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Preimplantation Genetic Diagnosis (PGD) is a reproductive procedure involving the screening of IVF-produced embryos to identify any mutations in the DNA and therefore serious genetic defects before implantation. PGD is used to diagnose embryos that may be affected with inherited single gene disorders (e.g. cystic fibrosis) and sex linked disorders (e.g. haemophilia), resulting in the exclusion of the embryos which contain an obvious genetic disorder. Many blastocysts have the wrong number of chromosomes (aneuploidy), which can lead to miscarriages, birth defects and other problems, so PGD is used to select the best embryo/s to transfer into the woman’s uterus - In younger women, 30-40% of all blastocysts are aneuploid, and by age 43-45, the
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