What is Preimplantation Genetic Screening (PGS)?
Preimplantation Genetic Screening (PGS) is a technique used in conjunction with in vitro fertilization (IVF) to screen embryos for chromosomal abnormalities before implantation. This process helps ensure that only healthy embryos are selected for transfer, increasing the chance of a successful pregnancy.
How Does PGS Work?
PGS involves extracting a few cells from the embryo at the blastocyst stage, typically five to six days after fertilization. These cells are then analyzed in a lab to check for the correct number of chromosomes. By identifying embryos with normal chromosomal content, PGS can significantly reduce the risk of genetic disorders and improve the likelihood of a healthy pregnancy.
Benefits of PGS
PGS offers several benefits, including a higher success rate for IVF, reduced risk of miscarriage, and the ability to detect potential genetic issues early. This screening is especially beneficial for couples with a history of genetic disorders or recurrent pregnancy loss.
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