Cloning, MolecularEmbryo, MammalianEmbryo ImplantationBlastocystEmbryo ResearchBlastomeresEmbryonic DevelopmentEmbryo, NonmammalianFertilization in VitroChick EmbryoMolecular Sequence DataEmbryonic and Fetal DevelopmentPersonhoodBase SequenceBeginning of Human LifeAmino Acid SequencePregnancyEmbryo DispositionCryopreservationCloning, OrganismEmbryo Culture TechniquesEmbryo TransferGene Expression Regulation, DevelopmentalDNA, ComplementaryPregnancy RateZygoteLifeSequence Homology, Amino AcidPreimplantation DiagnosisCulture TechniquesValue of LifeMosaicismAnatomy, ArtisticTheologyMorulaEctogenesisEmbryologyOocytesIncubatorsSperm Injections, IntracytoplasmicRNA, MessengerSingle Embryo TransferResearch Embryo CreationFetal ResearchPrenatal InjuriesEthylene GlycolEmbryo LossFetal ViabilityMoralsGestational AgeReproductive TechniquesIn Situ HybridizationVitrificationCryoprotective AgentsSequence AlignmentHuman CharacteristicsGenes, BacterialRestriction MappingDNAAneuploidyGene ExpressionEscherichia coliCell LineTrophoblastsCleavage Stage, OvumGamete Intrafallopian TransferPregnancy OutcomeCulture MediaYolk SacPlasmidsMesodermMorphogenesisFetusSequence Homology, Nucleic AcidGerm LayersMutationFertilizationZona PellucidaTotipotent Stem CellsCatholicismPolymerase Chain ReactionSequence Analysis, DNAThiepinsTime FactorsZebrafishNucleic Acid HybridizationRecombinant ProteinsTranscription, GeneticNontherapeutic Human ExperimentationNuclear Transfer TechniquesEmbryonic Stem CellsGene LibraryEastern OrthodoxyTranscription FactorsChromosome AberrationsPropylene GlycolEndometriumReproductive Techniques, AssistedCell DifferentiationChromosome Mapping