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Pre-implantation Genetic Screening

PGS is a technique in which embryo biopsy is used to evaluate the genetic material of embryo created throuh in vitro fertilization.

Preimplantation genetic screening (PGS) is a technique in which embryo biopsy is used to evaluate the genetic material of embryo created through in-vitro fertilization (IVF).This particular genetic analysis is performed to look for an abnormal number of chromosomes ( aneuploidy) or for a chromosomal translocation, both of which may cause miscarriages. a normal embryo must have 46 chromosomes in right combination to enable normal viability - 23 from the mother and 23 from the father.

Chromosomal abnormalities can result in aneuploidy (embryo having the wrong number of chromosomes – i.e extra copy of chromosome 21 leads to trisomy 21 known as downs syndrome), translocations (Chromosomes in incorrectly rearranged), or other chromosomal alterations that may be clinically significant. PGS aims at improving pregnancy and live birth rates by screening your embryos for chromosomal abnormalities. Embryos free of aneuploidy can be selected & transferred back to the patient. pre implantation genetic diagnosis (PGD) , allows only embryos diagnosed as free of a specific genetic diseases are transferred into a women for pregnancy.

One of the benefits of PGD is that only embryos diagnosed as free of the specific genetic diseases are transferred into the women for pregnancy. another advantage of PGD is that it eliminates the need for an adult who is at risk for a serious adult - onset genetic disease to undergo testing that would determine if He / She has the gene and eventually develop the condition