Embryos not Utilized in The existing cycle could be cryopreserved. Cryopreservation is often achieved with vitrification, a rapid freezing system. Vitrification is believed to circumvent cryoinjury by lowering the event of intracellular crystals.[35] All embryos can be frozen in people at risk for ovarian hyperstimulation syndrome (discussed even more in https://www.ivf.com.mx/