The PGS process begins with the IVF cycle, where eggs are retrieved from the ovaries and fertilized with sperm in a laboratory setting. Once the embryos reach a specific stage of development (usually the blastocyst stage), a few cells are biopsied from each embryo. These cells are then sent to a specialized lab for chromosomal analysis. The embryos with the normal chromosomal number are identified and selected for transfer to the uterus.
