BlastocystSingle Embryo TransferLive BirthEmbryo TransferEmbryo ImplantationTwinning, MonozygoticFertilization in VitroCryopreservationPregnancy RatePregnancyEmbryonic DevelopmentEmbryo, MammalianEmbryo Culture TechniquesMorulaEmbryonic and Fetal DevelopmentPregnancy OutcomeCleavage Stage, OvumBlastocyst Inner Cell MassZygoteBlastomeresEmbryo, NonmammalianCloning, OrganismCulture TechniquesOocytesVitrificationEmbryo Implantation, DelayedNuclear Transfer TechniquesChick EmbryoTrophoblastsEctogenesisParthenogenesisGene Expression Regulation, DevelopmentalFetal ViabilityZona PellucidaUterusSperm Injections, IntracytoplasmicCulture MediaCattleEmbryo LossSuperovulationChimeraEthylene GlycolFallopian TubesMice, Inbred ICRCryoprotective AgentsIn Vitro Oocyte Maturation TechniquesEctodermMice, Inbred StrainsFertilization