After fertilization, the zygote is formed, which will evolve day by day and increase the number of cells.
Approximately on its 4th day of evolution, its cells begin to compact and it becomes difficult to distinguish them. This state is what we call morula.
Read the full article on: In vitro embryo culture and development ( 67).
By Andrea Rodrigo (embryologist) and Marie Tusseau (babygest staff).
Last Update: 06/20/2019