IVF Early Morulas.

IVF Early Morulas.
Early IVF morulas [Stage 3] Day 5 to 6 after insemination. Top two embryos: Code 1. Bottom left embryo is starting to compact and is a Code 1. The bottom right embryo is a Code 3 (pyknosis and several extruded blastomeres).

Hansen PJ (2006)