Embryos not Employed in The existing cycle could be cryopreserved. Cryopreservation is typically accomplished with vitrification, a fast freezing method. Vitrification is believed to avoid cryoinjury by decreasing the event of intracellular crystals.[35] All embryos will also be frozen in people in danger for ovarian hyperstimulation syndrome (discussed even further https://www.ivf.com.mx/