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Preimplantation genetic screening (PGS) for aneuploidy is is a screening process that detects for numerous potential genetic disorders as well as for normal chromosome numbers. At Reproductive Sciences Medical Center, We divided PGS in to three steps. To know how the process works, contact our professional and expert doctors through our official website.<br>
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Genetic Screening and Diagnosis Preimplantation Genetic Screening (PGS) • is a genetic test carried out on IVF embryos before transfer • does not diagnose any specific diseases but looks at the general makeup of the embryo • this test counts the number of chromosomes in cells taken from the embryo to ensure there are 46 – no more, no less • beneficial for women with a history of recurrent miscarriage (has shown to reduce the miscarriage rate) and also beneficial for women of advanced maternal age or couples who had repeated failed IVG cycles
PGS Pros • Allows doctors/lab staff to identify normal embryos for transfer, increase the success rate of implantation and reduce the miscarriage rate. It can also prevent diseases such as Down syndrome. • Actually saves money by preventing failed cycles, failed pregnancy or a sick kid in the future. • Provides information to help make decisions for future treatment. • Provide peace of mind. PGS Cons • Cost money • Takes some time (might need frozen) • Some women want to take chances … Sometimes it just takes your hope away (even though it might be a false hope).
PGD – Preimplantation Genetic Diagnosis PGS only counts the number of chromosomes, but PGD identifies a specific disease in the embryo. Genetic diseases are often caused when a gene mutates or the instructions have become misspelled in the DNA. These types of genetic diseases are called single-gene disorders. PGD can help to eliminate these diseases from a family for the future generations. Accuracy of the results are close to 100%! In PGD testing, cells are removed from each embryo during early development then the DNA is multiplied many times. The result will confirm whether a particular embryo is carrying the defective gene or has normal genetics.
PGD can detect: • Cystic fibrosis • Sickle cell anemia • Tay-Sachs disease • Myotonic dystrophy • Muscular dystrophy • Fragile X syndrome • Spinal muscular atrophy • Hemophilia • Down syndrome • Detect the gender of the baby
NGS – next generation genetic sequencing This test may be able to detect behavioral disorders such as autism.