Embryos not Employed in The existing cycle is often cryopreserved. Cryopreservation is often achieved with vitrification, a quick freezing procedure. Vitrification is believed to stop cryoinjury by decreasing the development of intracellular crystals.[35] All embryos can also be frozen in people in danger for ovarian hyperstimulation syndrome (mentioned further more https://www.ivf.com.mx/