Embryo, MammalianCell CycleEmbryo, NonmammalianChick EmbryoEmbryo ImplantationBlastocystEmbryonic DevelopmentMenstrual CycleGene Expression Regulation, DevelopmentalFertilization in VitroEmbryo LossEmbryonic and Fetal DevelopmentPregnancyCleavage Stage, OvumCell Cycle ProteinsBlastomeresZygoteEmbryo DispositionEstrous CycleMorulaCryopreservationZebrafishOocytesMolecular Sequence DataIn Situ HybridizationGastrulaBody PatterningCitric Acid CyclePregnancy RateMorphogenesisCulture TechniquesSingle Embryo TransferTime FactorsCloning, OrganismEmbryo ResearchMesodermTranscription FactorsRNA, MessengerEctogenesisNuclear Transfer TechniquesSperm Injections, IntracytoplasmicBase SequenceEctodermZebrafish ProteinsMitosisMutationCell DivisionCell Cycle CheckpointsAmino Acid SequenceXenopus ProteinsCell DifferentiationHomeodomain ProteinsSeedsDrosophilaDrosophila ProteinsFertilizationSignal TransductionDNA-Binding ProteinsParthenogenesisFetal ViabilityModels, BiologicalBlastodermPreimplantation DiagnosisCell NucleusEndodermLife Cycle StagesSea UrchinsPhenotypeMicroinjectionsEmbryonic InductionAnimals, Genetically ModifiedXenopusG1 PhaseXenopus laevisSuperovulationTranscription, GeneticCattleCell LineApoptosisGene ExpressionNervous SystemCulture MediaOvulation InductionOvumNotochordDrosophila melanogasterProgesteroneYolk SacUterusS PhaseChimeraImmunohistochemistryFallopian TubesInfertility, FemaleEstrusNuclear ProteinsOvaryEndometriumDNASomites