How embryo screening can improve the odds of IVF success
Pre-implantation genetic screening (PGS) is a technique used during IVF treatment to screen embryos for aneuploidy (numerical chromosomal abnormalities) prior to embryo transfer.
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