ABSTRACT
The ultimate goal of assisted reproduction is to achieve a singleton, ongoing pregnancy and the birth of a healthy baby. The need to characterize embryos with optimal implantation potential is obvious, and a variety of characteristics during embryo developmental stages in vitro (from one cell to the blastocyst) have been proposed as markers for embryo quality and viability. Identification of the embryo destined for implantation can improve success rates and, at the same time, by transferring fewer embryos, ensure that multiple pregnancies are avoided1,2.
