Preimplantation genetic testing for structural rearrangements (PGT-SR) was one of the first applications of PGT. with initial cases being worked up in the Delhanty lab. It is the least well-known of the various forms of PGT but nonetheless provides effective treatment for many copyright couples. Structural chromosomal rearrangements (SRs) lead to infertility. https://unitedssports.shop/product-category/bike-parts-forks/