ART GalleryDual Stain Analysis of Sperm Apoptosis and Necrosis Blastocyst from egg without zona pellucida Cleavage Stage Embryos Cleaving embryo 8 cell embryo Day +2 Day 2 "enucleated embryo" 8 cell embryo 4 Cell Embryo Embri?n 6 blast?meras Embri?n 3 blast?meras Day 3 embryo Zona Free Day 3 Day 3 - 8 cell Embryo Day 3 - Compacting Embryo Day 2 - 4 cell Embryo |