VitrificationEthylene GlycolCryopreservationOocytesCryoprotective AgentsBlastocystPropylene GlycolEmbryo Culture TechniquesFreezingEmbryo TransferEmbryonic DevelopmentTissue PreservationFertilization in VitroFertility PreservationOogenesisOocyte DonationMorulaOocyte RetrievalDimethyl SulfoxidePregnancyFreeze SubstitutionThermal ConductivityIn Vitro Oocyte Maturation TechniquesCleavage Stage, OvumWomenEgg YolkWomen's HealthOvumFertilizationEmbryo, MammalianReproductive Techniques, AssistedPregnancy RatePropylene GlycolsOvaryTissue SurvivalEthylene GlycolsEgg ProteinsEmbryo ImplantationMetaphaseMeiosisCumulus CellsParthenogenesisZygoteSperm Injections, IntracytoplasmicXenopus laevisTrehaloseZona PellucidaAsepsisOvarian FollicleRewarmingMice, Inbred ICRCell SurvivalEgg ShellPregnancy OutcomeEgg WhiteIceDry IceXenopusSucroseEctogenesisLive BirthHEPESTime FactorsSpermatozoaTissue Culture TechniquesSperm-Ovum InteractionsButylene Glycols