Embryo, MammalianBlastocystEmbryo Culture TechniquesEmbryonic DevelopmentFertilization in VitroEmbryo, NonmammalianEmbryo ImplantationChick EmbryoPregnancyEmbryo TransferOocytesBlastomeresCattleEmbryo ResearchEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalCryopreservationEmbryo DispositionEmbryo LossZygotePregnancy RatePersonhoodCleavage Stage, OvumMorulaBeginning of Human LifeCulture TechniquesEmbryo Implantation, DelayedEctogenesisSingle Embryo TransferSperm Injections, IntracytoplasmicPreimplantation DiagnosisCloning, OrganismIn Situ HybridizationTime FactorsZebrafishFetal ViabilityMorphogenesisMesodermGastrulaEndometriumMosaicismTrophoblastsEmbryologyBody PatterningLifeValue of LifePregnancy OutcomeIncubatorsVitrificationFertilizationUterusReproductive TechniquesGestational AgeResearch Embryo CreationMolecular Sequence DataCochlear ImplantationAnatomy, ArtisticTheologyYolk SacRNA, MessengerEctodermHomeodomain ProteinsCryoprotective AgentsNuclear Transfer TechniquesEthylene GlycolPrenatal InjuriesZona PellucidaCell DifferentiationZebrafish ProteinsCulture MediaAneuploidyLens Implantation, IntraocularBase SequenceGerm LayersTranscription FactorsNotochordFetal ResearchEndodermFallopian TubesImmunohistochemistryXenopus ProteinsMoralsSeedsParthenogenesisDrosophilaDrosophila ProteinsEmbryonic Stem CellsEmbryonic InductionCell NucleusHuman CharacteristicsBlastodermMutationAmino Acid SequenceSea UrchinsFetusPhenotypeGamete Intrafallopian TransferMicroinjectionsTreatment OutcomeCell Lineage