Embryos not Utilized in the current cycle could be cryopreserved. Cryopreservation is usually attained with vitrification, a swift freezing system. Vitrification is thought to avoid cryoinjury by lowering the development of intracellular crystals.[35] All embryos can also be frozen in individuals in danger for ovarian hyperstimulation syndrome (mentioned more in https://www.ivf.com.mx/