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What is Pre implantation genetic screening

Pre implantation genetic screening(PGS) refers to techniques where embryos from presumed chromosomally normal genetic parents are screened for aneuploidy

Who can choose PGS ?

It is also important to understand that as women age, the chance of chromosome abnormality increases. If you’re over the age of 35 years old, you may want to discuss Preimplantation Genetic Screening with your fertility doctor. However, even in young women there is still a fairly high risk for chromosomal errors in embryos. PGS is recommended for women of any age who have experienced recurrent miscarriage, whether they conceived naturally and/or through fertility treatment.

procedure of PGS

With Preimplantation Genetic Screening, a biopsy is typically taken at blastocyst stage which is usually achieved at day five or day six of embryo development. Embryologists perform embryo biopsies by removing 4-6 cells out of the 100-200 cell blastocyst. The biopsy is then sent to a lab for Preimplantation Genetic Screening analysis. Typically, the embryos are frozen and remain at the fertility clinic while the biopsies are analysed at the lab..

What is Pre implantation genetic diagnosis

Preimplantation genetic diagnosis (PGD) is a procedure used prior to implantation to help identify genetic defects within embryos. This serves to prevent certain genetic diseases or disorders from being passed on to the child. The embryos used in PGD are usually created during the process of in vitro fertilization (IVF).

Who can choose PGD ?

Preimplantation genetic diagnosis (PGD) is a procedure used prior to implantation to help identify genetic defects within embryos. This serves to prevent certain genetic diseases or disorders from being passed on to the child. The embryos used in PGD are usually created during the process of in vitro fertilization (IVF).

procedure of PGD ?

Preimplantation genetic diagnosis begins with the normal process of in vitro fertilization that includes egg retrieval and fertilization in a laboratory. Over the next three to five days, the embryos will divide into multiple cells.

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