Stem CellsFetusEmbryo, MammalianEmbryonic Stem CellsBlastocystStem Cell TransplantationEmbryo ImplantationEmbryo ResearchHematopoietic Stem CellsPluripotent Stem CellsBlastomeresAdult Stem CellsEmbryonic DevelopmentPregnancyCell DifferentiationEmbryo, NonmammalianInduced Pluripotent Stem CellsEmbryonic and Fetal DevelopmentFertilization in VitroChick EmbryoHematopoietic Stem Cell TransplantationStem Cell NicheNeural Stem CellsPersonhoodMolecular Sequence DataEmbryo Culture TechniquesBeginning of Human LifeCryopreservationCell LineageMultipotent Stem CellsGene Expression Regulation, DevelopmentalBase SequenceEmbryo DispositionMesenchymal Stem Cell TransplantationMesenchymal Stromal CellsCloning, MolecularGestational AgeCells, CulturedEmbryo TransferStem Cell FactorAmino Acid SequenceCell LineCloning, OrganismRNA, MessengerCell Culture TechniquesOctamer Transcription Factor-3Totipotent Stem CellsZygoteCulture TechniquesCampylobacter fetusImmunohistochemistryPregnancy RateValue of LifeStem Cell ResearchLifeMorulaPreimplantation DiagnosisTime FactorsMosaicismGerm LayersPlant StemsCell ProliferationFetal Stem CellsGene ExpressionGene Expression ProfilingOocytesTritrichomonas foetusAnatomy, ArtisticTheologyEctogenesisTranscription FactorsTissue DistributionDNA, ComplementaryEmbryologyResearch Embryo CreationHomeodomain ProteinsPhenotypeIncubatorsModels, BiologicalTrophoblastsOrgan SpecificityReverse Transcriptase Polymerase Chain ReactionSignal TransductionSperm Injections, IntracytoplasmicMice, Inbred C57BLCulture MediaMesodermCoculture TechniquesGene Expression RegulationFetal ViabilityBone Marrow CellsPlacentaCell SeparationHematopoietic Stem Cell MobilizationFetal ResearchIn Situ HybridizationNeoplastic Stem CellsUltrasonography, PrenatalSingle Embryo TransferKaryotyping