Oocytes Freezing in Patient with Cancer
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Ovarian tissue cryopreservation was first performed more than 20 years ago. The first live birth after ovarian tissue transplantation after cryopreservation was reported in 2004  followed by a second one the following year . Today, with more than 120 live births and a 30% success rate, this technique is no longer considered experimental. However, the evolution of oocyte and embryo vitrification techniques has limited the ovarian cryopreservation to a selected number of patients. The ASRM (American Society for Reproductive Medicine) recognizes the cryopreservation of oocytes and embryos as only valid methods for the preservation of fertility.
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