The oocytes can present alterations in their zona pellucida, that is, the protective layer that surrounds it. For example, a very wide or very narrow zona pellucida is oocyte dysmorphism, as well as having a partitioned or extended zona pellucida.
By Álvaro Martínez Moro (embryologist), Dra. Amanda Olinda Sinchitullo Rosales (gynecologist), Cristina Mestre Ferrer BSc, MSc (embryologist), Dr. Elena Santiago Romero MD (gynecologist), Zaira Salvador BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 01/16/2020