What is cryopreservation?



Cryopreservation of embryos is the process of preservation where, after the transfer of embryos into the uterine cavity, in the process of invitro fertilization (IVF), unused embryos are preserved for a period in liquid nitrogen in temperatures of -320.8°F (-196°C) with the intent to be used in the future for additional IVF procedures. In addition to the preservation of embryos, this same method may be used for preserving spermatozoa and oocytes. Embryos, female and male sex cells can be preserved for decades with the help of special solutions without being exposed to the risk of damage. After the process of defrosting the embryos are ready to be transferred into a surrogate mother and sex cells are ready to be used in the IVF program.