Embryos not used in the current cycle is usually cryopreserved. Cryopreservation is typically realized with vitrification, a speedy freezing process. Vitrification is assumed to forestall cryoinjury by lowering the development of intracellular crystals.[35] All embryos will also be frozen in people in danger for ovarian hyperstimulation syndrome (mentioned additional in https://listfav.com/story19947731/not-known-details-about-assisted-reproductive-technology