Embryos not Employed in The existing cycle is often cryopreserved. Cryopreservation is usually reached with vitrification, a immediate freezing system. Vitrification is believed to forestall cryoinjury by decreasing the development of intracellular crystals.[35] All embryos can also be frozen in clients at risk for ovarian hyperstimulation syndrome (mentioned additional in https://www.ivf.com.mx/