Preimplantation DiagnosisEmbryo, MammalianPregnancyEmbryo, NonmammalianBlastocystChick EmbryoEmbryo ImplantationEmbryonic DevelopmentBlastomeresEmbryonic and Fetal DevelopmentFertilization in VitroEmbryo ResearchGene Expression Regulation, DevelopmentalCleavage Stage, OvumMorulaGastrulaEmbryo DispositionCloning, OrganismCryopreservationEmbryo TransferEmbryo LossFertilizationOocytesBody PatterningZygotePersonhoodEctodermIn Situ HybridizationMorphogenesisMesodermBeginning of Human LifePregnancy RateCulture TechniquesAneuploidyEctogenesisSingle Embryo TransferEmbryonic InductionSperm Injections, IntracytoplasmicEmbryo Culture TechniquesHomeodomain ProteinsZebrafishTime FactorsMolecular Sequence DataEmbryologyMosaicismRNA, MessengerFetal ViabilityCell DifferentiationLifeTranscription FactorsXenopusValue of LifeIncubatorsResearch Embryo CreationAnatomy, ArtisticTheologyMice, Mutant StrainsMutationYolk SacVitrificationGestational AgeEthylene GlycolNuclear Transfer TechniquesCryoprotective AgentsReproductive TechniquesPrenatal InjuriesPregnancy OutcomeZebrafish ProteinsTrophoblastsCulture MediaFetal ResearchNotochordGerm LayersZona PellucidaXenopus ProteinsMoralsSeedsBase SequenceEndodermMice, Inbred C57BLParthenogenesisFallopian TubesHuman CharacteristicsBlastodermDrosophilaSea UrchinsEmbryonic Stem CellsDrosophila ProteinsCell NucleusGamete Intrafallopian TransferFetusAnimals, Genetically ModifiedTotipotent Stem CellsAmino Acid SequenceEndometriumMicroinjectionsPhenotypeCell LineageImmunohistochemistryPropylene Glycol