BlastocystCleavage Stage, OvumEmbryo Culture TechniquesEmbryonic DevelopmentMorulaBlastomeresEmbryo TransferFertilization in VitroEmbryonic and Fetal DevelopmentZygoteEmbryo ImplantationEmbryo, MammalianOocytesVitrificationCryopreservationPregnancyCloning, OrganismFetal ViabilityNuclear Transfer TechniquesParthenogenesisPreimplantation DiagnosisBlastocyst Inner Cell MassCulture TechniquesSperm Injections, IntracytoplasmicGene Expression Regulation, DevelopmentalPregnancy RateEctogenesisFertilizationEmbryo, NonmammalianCattleCulture MediaTrophoblastsPolar BodiesOogenesisBlastulaUrochordataZona PellucidaOctamer Transcription Factor-3Fallopian TubesIn Vitro Oocyte Maturation TechniquesEctodermOvumSea UrchinsSuperovulationMolecular Sequence DataGerm LayersCell NucleusCumulus CellsGastrulaCells, CulturedAneuploidyRNA, MessengerMice, Inbred StrainsTime FactorsBase SequenceMice, Inbred ICRAmino Acid SequenceSwineEmbryo Implantation, DelayedPregnancy, MultipleEmbryonic InductionXenopus laevisMice, Inbred CBAEthylene GlycolUterusCell CountXenopus ProteinsSpermatozoaDNA CleavageCytoplasmCryoprotective AgentsChimeraPolyvinyl AlcoholMicromanipulationCell DifferentiationEmbryo LossLive BirthBody PatterningMice, Inbred C57BLIn Situ HybridizationIn Situ Hybridization, FluorescenceTranscription FactorsEmbryonic Stem CellsXenopusSus scrofaQuintupletsMicroinjectionsCell Culture TechniquesPregnancy, AnimalApoptosisMetaphaseReverse Transcriptase Polymerase Chain ReactionInseminationTranscription, GeneticBody FluidsPregnancy OutcomeSerum Albumin, BovineInsemination, ArtificialGenomic ImprintingRNA Cleavage