The blastocyst is the embryonic stage necessary for implantation to occur. At this moment the embryo has an internal cavity, the blastocele, an internal cell mass, which will originate the organs of the future baby, and the trophoblast, which is the structure of cells that will give rise to the placenta.
Structure of blastozyst
By Edurne Martínez Sanz BSc, MSc (senior clinical embryologist), Gorka Barrenetxea Ziarrusta MD, PhD (gynecologist), José Luis de Pablo BSc, MSc, PhD (senior clinical embryologist), José Muñoz Ramírez BSc, MSc, PhD (senior clinical embryologist), Neus Ferrando Gilabert BSc, MSc (embryologist), Zaira Salvador BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 10/16/2019