Cloning, MolecularEmbryo, MammalianEmbryo ImplantationBlastocystBlastomeresEmbryo ResearchMolecular Sequence DataEmbryonic DevelopmentClone CellsEmbryo, NonmammalianBase SequenceFertilization in VitroAmino Acid SequenceChick EmbryoEmbryonic and Fetal DevelopmentPersonhoodBeginning of Human LifePregnancyCloning, OrganismEmbryo DispositionCryopreservationEmbryo Culture TechniquesEmbryo TransferDNA, ComplementarySequence Homology, Amino AcidGene Expression Regulation, DevelopmentalZygotePregnancy RateRNA, MessengerLifeCulture TechniquesPreimplantation DiagnosisValue of LifeMosaicismAnatomy, ArtisticTheologyMorulaOocytesEctogenesisDNAEmbryologyIncubatorsSperm Injections, IntracytoplasmicCell LineSingle Embryo TransferSequence AlignmentResearch Embryo CreationSequence Analysis, DNAFetal ResearchGene ExpressionPrenatal InjuriesSequence Homology, Nucleic AcidEscherichia coliGenes, BacterialPolymerase Chain ReactionEthylene GlycolIn Situ HybridizationEmbryo LossNucleic Acid HybridizationPlasmidsMutationMoralsGestational AgeFetal ViabilityReproductive TechniquesVitrificationCryoprotective AgentsHuman CharacteristicsAneuploidyRestriction MappingTranscription, GeneticTime FactorsRecombinant ProteinsTrophoblastsGenesChromosome MappingCleavage Stage, OvumCulture MediaFetusGamete Intrafallopian TransferDNA PrimersMesodermBlotting, SouthernBlotting, NorthernMorphogenesisPregnancy OutcomeYolk SacPhenotypePhylogenyFertilizationTranscription FactorsCell DifferentiationDNA, BacterialZebrafishGerm LayersDNA Restriction EnzymesZona PellucidaTissue DistributionTotipotent Stem CellsCatholicism