Embryos not Employed in the current cycle may be cryopreserved. Cryopreservation is often achieved with vitrification, a swift freezing course of action. Vitrification is thought to circumvent cryoinjury by decreasing the event of intracellular crystals.[35] All embryos can even be frozen in people in danger for ovarian hyperstimulation syndrome (reviewed https://www.ivf.com.mx/