Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesEmbryo, MammalianStem CellsCloning, MolecularEmbryo ImplantationEmbryo, NonmammalianBlastocystChick EmbryoEmbryonic DevelopmentBlastomeresFertilization in VitroEmbryonic and Fetal DevelopmentClone CellsPregnancyMolecular Sequence DataEmbryo DispositionCryopreservationPersonhoodBase SequenceGene Expression Regulation, DevelopmentalBeginning of Human LifeAmino Acid SequenceZygoteEmbryo LossPregnancy RateMorulaEmbryo Culture TechniquesEmbryo TransferCulture TechniquesPreimplantation DiagnosisDNA, ComplementaryEctogenesisCleavage Stage, OvumOocytesSingle Embryo TransferSperm Injections, IntracytoplasmicMosaicismLifeRNA, MessengerEmbryologyValue of LifeIn Situ HybridizationSequence Homology, Amino AcidAnatomy, ArtisticTheologyIncubatorsFetal ViabilityZebrafishResearch Embryo CreationMorphogenesisMesodermPrenatal InjuriesEthylene GlycolDNAGastrulaGestational AgeFetal ResearchReproductive TechniquesVitrificationBody PatterningCryoprotective AgentsYolk SacCell LineFertilizationGene ExpressionTrophoblastsAneuploidyPregnancy OutcomeCulture MediaMoralsTime FactorsMutationCell DifferentiationTranscription FactorsHomeodomain ProteinsGerm LayersHuman CharacteristicsZona PellucidaSequence AlignmentPolymerase Chain ReactionNotochordPhenotypeEctodermZebrafish ProteinsFetusGamete Intrafallopian TransferEmbryonic Stem CellsSequence Homology, Nucleic AcidTranscription, GeneticNucleic Acid HybridizationSequence Analysis, DNATotipotent Stem CellsCell NucleusFallopian TubesSeedsXenopus ProteinsChromosome AberrationsEndometrium