How embryo screening can improve the odds of IVF success

For couples undergoing IVF treatment, pre-implantation genetic screening offers the chance to select embryos with a normal chromosomal profile

Pre-implantation genetic screening (PGS) is a technique used during IVF treatment to screen embryos for aneuploidy (numerical chromosomal abnormalities) prior to embryo transfer.

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It uses techniques similar to, but should be distinguished from, pre-implantation genetic diagnosis, sometimes also referred to as pre-implantation genetic testing.

The latter is an option for couples who are known to be carriers of genetic disorders, such as fragile X syndrome or spinal muscular atrophy.  

Many IVF laboratories now offer PGS for all patients

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