Preimplantation DiagnosisZygotePregnancyEmbryo, MammalianEmbryo ImplantationBlastocystEmbryo, NonmammalianChick EmbryoEmbryonic DevelopmentBlastomeresFertilization in VitroEmbryo ResearchEmbryonic and Fetal DevelopmentCryopreservationEmbryo DispositionPersonhoodGene Expression Regulation, DevelopmentalEmbryo Culture TechniquesCleavage Stage, OvumMorulaBeginning of Human LifeEmbryo TransferOocytesEmbryo LossCulture TechniquesPregnancy RateEctogenesisZygote Intrafallopian TransferSperm Injections, IntracytoplasmicFertilizationCloning, OrganismMosaicismSingle Embryo TransferEmbryologyFetal ViabilityLifeValue of LifeIncubatorsAnatomy, ArtisticTheologyCryoprotective AgentsEthylene GlycolIn Situ HybridizationZebrafishMorphogenesisResearch Embryo CreationNuclear Transfer TechniquesMesodermCulture MediaReproductive TechniquesVitrificationAneuploidyBody PatterningPrenatal InjuriesGastrulaGestational AgePregnancy OutcomeFetal ResearchFallopian TubesCell NucleusTrophoblastsYolk SacZona PellucidaTime FactorsMoralsMicroinjectionsMolecular Sequence DataHomeodomain ProteinsPropylene GlycolParthenogenesisGerm LayersHuman CharacteristicsRNA, MessengerPhaeophytaSeedsEctodermTotipotent Stem CellsCell DifferentiationEmbryonic Stem CellsChromosome AberrationsNotochordGamete Intrafallopian TransferSea UrchinsTranscription FactorsBase SequenceZebrafish ProteinsSuperovulationFetusSpermatozoaOvumInfertility, FemaleEndometriumMutationCatholicismAnimals, Genetically ModifiedXenopus ProteinsThiepinsPhenotypeNontherapeutic Human ExperimentationImmunohistochemistry