Assessment of mouse oocytes ultrastructure following vitrification before and after in vitro maturation | [Evaluación de la ultraestructura de los ovocitos de ratón después de la vitrificación antes y después de la maduración in vitro]

Vitrification is a physical process in which the concentrated cryoprotectant solution after exposure to extreme cold without ice crystal formation in living cells to be converted glassing state. In this study, maturation rate and ultrastructure of mouse oocytes followed by vitrification before or after in-virto maturation (IVM) were evaluated. A total of 373 germinal vesicle oocytes were obtained…