embryo transfer

Preimplantation genetic diagnosis and screening: genetic testing for embryos
Here, we’ll go over the two types of genetic testing for embryos—preimplantation genetic screening (PGS; also known as PGT-A in the newest nomenclature) and preimplantation genetic diagnosis (PGD; also known as PGT-M in the newest nomenclature)—as well as the biopsy process, risks, benefits, and more.