Embryos not Utilized in The existing cycle can be cryopreserved. Cryopreservation is often attained with vitrification, a fast freezing system. Vitrification is assumed to prevent cryoinjury by reducing the development of intracellular crystals.[35] All embryos can even be frozen in patients at risk for ovarian hyperstimulation syndrome (talked about even https://www.ivf.com.mx/