Visual evaluation of early ( ~ 4-cell ) mammalian embryos . How well does it predict subsequent viability ?

Implantation rate, a limiting factor in human assisted reproductive technologies (ART), has changed very little since the birth of Louise Brown in 1978, in spite of many advances in the field. Increasing implantation rates will lead to a higher overall efficiency of human ART. In human in vitro fertilisation (IVF), the embryos are routinely transferred to… CONTINUE READING