Cloning, MolecularEmbryo, MammalianMammalsEmbryo ImplantationBlastocystEmbryo ResearchBlastomeresEmbryonic DevelopmentEmbryo, NonmammalianClone CellsMolecular Sequence DataFertilization in VitroChick EmbryoEmbryonic and Fetal DevelopmentBase SequencePersonhoodAmino Acid SequenceBeginning of Human LifePregnancyEmbryo DispositionCryopreservationEmbryo Culture TechniquesEmbryo TransferCloning, OrganismGene Expression Regulation, DevelopmentalDNA, ComplementaryZygotePregnancy RateLifeSequence Homology, Amino AcidPreimplantation DiagnosisCulture TechniquesValue of LifeMosaicismAnatomy, ArtisticRNA, MessengerTheologyMorulaEctogenesisEmbryologyIncubatorsOocytesSperm Injections, IntracytoplasmicSingle Embryo TransferDNAFetal ResearchResearch Embryo CreationPrenatal InjuriesCell LineEthylene GlycolEmbryo LossIn Situ HybridizationSequence AlignmentGestational AgeMoralsGene ExpressionFetal ViabilitySequence Analysis, DNAReproductive TechniquesPhylogenyCryoprotective AgentsVitrificationTime FactorsPolymerase Chain ReactionHuman CharacteristicsAneuploidyMutationSequence Homology, Nucleic AcidCleavage Stage, OvumTrophoblastsZebrafishCulture MediaFetusMorphogenesisMesodermYolk SacGamete Intrafallopian TransferSpecies SpecificityPregnancy OutcomeFertilizationNucleic Acid HybridizationPhenotypeCell DifferentiationZona PellucidaGerm LayersTranscription FactorsTranscription, GeneticChromosome MappingTotipotent Stem CellsCatholicismThiepinsEmbryonic Stem CellsNontherapeutic Human ExperimentationTissue DistributionEscherichia coliChromosome AberrationsDNA PrimersIn Situ Hybridization, FluorescenceBlotting, NorthernEastern Orthodoxy