Embryos not used in The existing cycle might be cryopreserved. Cryopreservation is usually accomplished with vitrification, a immediate freezing course of action. Vitrification is believed to prevent cryoinjury by reducing the event of intracellular crystals.[35] All embryos will also be frozen in people in danger for ovarian hyperstimulation syndrome (reviewed https://www.ivf.com.mx/