[Preimplantation genetic diagnosis].

OBJECTIVE To evaluate the clinical effectiveness of preimplantation genetic diagnosis (PGD) for the couples having a higher risk of genetic diseases with fluorescence in situ hybridization (FISH). METHODS Ovarian hyperstimulation, oocyte retrieval and in vitro fertilization were performed in 4 cases. Blastomere biopsy were performed from the embryos at… (More)