The blastocyst is the stage of embryonic development in which two cell types are differentiated in the embryo: the trofoectoderm (on the periphery) and the internal cell mass.
In addition, we can see the central cavity, known as the blastocele.
Read the full article on: Embryo Implantation: Process and Common Symptoms ( 46).
By Andrea Rodrigo (embryologist) and Romina Packan (babygest staff).
Last Update: 09/25/2019