Cloning, OrganismNuclear Transfer TechniquesEmbryo, MammalianEmbryo ImplantationBlastocystBlastomeresEmbryo ResearchEmbryonic DevelopmentClone CellsEmbryo, NonmammalianFertilization in VitroChick EmbryoEmbryonic and Fetal DevelopmentPersonhoodBeginning of Human LifePregnancyEmbryo DispositionCryopreservationEmbryo Culture TechniquesEmbryo TransferMolecular Sequence DataCloning, MolecularBase SequencePregnancy RateGene Expression Regulation, DevelopmentalZygoteLifePreimplantation DiagnosisCulture TechniquesValue of LifeMosaicismAnatomy, ArtisticAmino Acid SequenceTheologyEctogenesisMorulaEmbryologyIncubatorsSperm Injections, IntracytoplasmicOocytesSingle Embryo TransferFetal ResearchPrenatal InjuriesResearch Embryo CreationEthylene GlycolEmbryo LossRNA, MessengerFetal ViabilityMoralsGestational AgeVitrificationReproductive TechniquesCryoprotective AgentsHuman CharacteristicsAneuploidyDNA, ComplementaryCell LineTrophoblastsCleavage Stage, OvumIn Situ HybridizationGamete Intrafallopian TransferPregnancy OutcomeYolk SacCulture MediaMesodermMorphogenesisDNATime FactorsFetusGerm LayersFertilizationZona PellucidaCatholicismThiepinsTotipotent Stem CellsNontherapeutic Human ExperimentationChromosome AberrationsCell DifferentiationEmbryonic Stem CellsMutationEastern OrthodoxyZebrafishSequence Homology, Amino AcidPropylene GlycolEndometriumGene ExpressionReproductive Techniques, AssistedIn Situ Hybridization, FluorescenceNucleic Acid HybridizationPolymerase Chain ReactionPhenotypeBones of Upper ExtremityNotochordTranscription FactorsHomeodomain ProteinsCell NucleusGastrulaTranscription, GeneticImmunohistochemistryFallopian Tubes