BlastocystEmbryo Culture TechniquesQuintupletsEmbryonic DevelopmentEmbryo, MammalianMorulaEmbryo ImplantationEmbryo, NonmammalianEmbryonic and Fetal DevelopmentCleavage Stage, OvumFertilization in VitroPrimatesChick EmbryoPregnancyZygoteBlastomeresEmbryo TransferOocytesCryopreservationGene Expression Regulation, DevelopmentalCloning, OrganismNuclear Transfer TechniquesCulture TechniquesEmbryo Implantation, DelayedBlastocyst Inner Cell MassEctogenesisParthenogenesisEmbryo LossVitrificationSperm Injections, IntracytoplasmicPregnancy RateTrophoblastsFetal ViabilityTime FactorsUterusCattleCulture MediaGastrulaFallopian TubesSuperovulationFertilizationEctodermPreimplantation DiagnosisIn Situ HybridizationZona PellucidaCochlear ImplantationMice, Inbred ICREndometriumMice, Inbred StrainsEndodermRNA, MessengerMolecular Sequence DataLens Implantation, IntraocularIn Vitro Oocyte Maturation TechniquesMicroinjectionsSingle Embryo TransferOogenesisZebrafishBody PatterningMice, Inbred CBAMesodermCell CountSpermatozoaBase SequenceHomeodomain ProteinsCell DifferentiationSwineMorphogenesisCumulus CellsChimeraMice, Inbred C57BLXenopus ProteinsEmbryo DispositionPregnancy, AnimalCell NucleusOctamer Transcription Factor-3Pregnancy OutcomeTreatment OutcomeOvumTranscription FactorsEmbryonic Stem CellsReverse Transcriptase Polymerase Chain ReactionCryoprotective AgentsGene ExpressionCell LineagePacemaker, ArtificialEmbryonic InductionSea UrchinsLive BirthDeciduaCells, CulturedXenopus laevisAmino Acid SequenceStentsImmunohistochemistryEthylene GlycolProsthesis DesignProgesteronePseudopregnancyEmbryo Research