Embryos not Employed in the current cycle may be cryopreserved. Cryopreservation is often realized with vitrification, a swift freezing course of action. Vitrification is assumed to prevent cryoinjury by reducing the development of intracellular crystals.[35] All embryos may also be frozen in individuals at risk for ovarian hyperstimulation syndrome (discussed https://www.ivf.com.mx/