ISSN: 2375-4508
Paul R. Brezina and William G. Kearns
Preimplantation Genetic Screening (PGS) has been used for some time with fluorescence in situ hybridization (FISH) technology with marginal success. Newer modalities capable of evaluating all 23 pairs of chromosomes are now available for PGS and are superior to PGS with FISH.