BlastocystEmbryo TransferEmbryo ImplantationVitrificationSingle Embryo TransferTwinning, MonozygoticFertilization in VitroEmbryo Culture TechniquesCryopreservationLive BirthPregnancy RateCleavage Stage, OvumPregnancyEmbryonic DevelopmentEmbryo, MammalianSperm Injections, IntracytoplasmicPregnancy, MultipleMorulaZona PellucidaPregnancy OutcomeEmbryonic and Fetal DevelopmentBlastocyst Inner Cell MassInfertilityZygoteBlastomeresCloning, OrganismNuclear Transfer TechniquesEmbryo, NonmammalianCulture TechniquesOocytesInfertility, FemaleEmbryo Implantation, DelayedChick EmbryoTrophoblastsEctogenesisParthenogenesisGene Expression Regulation, DevelopmentalTime FactorsFetal ViabilityRetrospective StudiesUterusCattleCulture MediaEmbryo LossSuperovulationGene Transfer TechniquesChimeraEthylene GlycolFallopian TubesMice, Inbred ICRCryoprotective AgentsMice, Inbred StrainsIn Vitro Oocyte Maturation TechniquesEctodermFertilization