Embryo, MammalianBlastocystEmbryonic DevelopmentEmbryo, NonmammalianEmbryo ImplantationEmbryonic and Fetal DevelopmentBlastomeresChick EmbryoGene Expression Regulation, DevelopmentalFertilization in VitroEmbryo ResearchZygoteEmbryo Culture TechniquesPregnancyCulture TechniquesMorulaEmbryo DispositionCleavage Stage, OvumCryopreservationPersonhoodMammalsBeginning of Human LifeOocytesYolk SacBody PatterningMorphogenesisTotipotent Stem CellsEctodermMesodermEmbryo LossGerm LayersMolecular Sequence DataIn Situ HybridizationPregnancy RateTrophoblastsEmbryo TransferEndodermHomeodomain ProteinsPreimplantation DiagnosisTranscription FactorsCell DifferentiationEctogenesisEmbryonic Stem CellsGestational AgeTissue SurvivalCell LineageSingle Embryo TransferCloning, OrganismSperm Injections, IntracytoplasmicOctamer Transcription Factor-3Base SequenceAmino Acid SequenceRNA, MessengerLifeBlastocyst Inner Cell MassFibroblast Growth Factor 4MosaicismEmbryologyValue of LifeTime FactorsSignal TransductionAnatomy, ArtisticMice, Inbred CBATheologyIncubatorsFetal ViabilityNeural CrestStem CellsResearch Embryo CreationZebrafishMice, Inbred ICRPrenatal InjuriesGene ExpressionEthylene GlycolDNA-Binding ProteinsGastrulaPluripotent Stem CellsVitrificationFetal ResearchCryoprotective AgentsCattleModels, BiologicalImmunohistochemistryPhenotypeReproductive TechniquesFertilizationCell LineGenomic ImprintingMice, Inbred C57BLAneuploidyPregnancy OutcomeMoralsCulture MediaZona PellucidaCells, CulturedHuman CharacteristicsMutationCell NucleusZebrafish ProteinsMice, Transgenic