OxygenOxygen ConsumptionDrug Delivery SystemsReactive Oxygen SpeciesDelivery, ObstetricOxygen Inhalation TherapySinglet OxygenPregnancyDrug CarriersCesarean SectionDelivery of Health CareOxygen IsotopesNanoparticlesGene Transfer TechniquesHyperbaric OxygenationPartial PressureGenetic TherapyAnoxiaGenetic VectorsInfant, NewbornOxidation-ReductionHydrogen PeroxideTime FactorsOxidative StressOximetryParticle SizePolymersPregnancy OutcomeLiposomesPolyethyleneimineObstetric Labor ComplicationsHemoglobinsObstetric Labor, PrematureCarbon DioxideAntioxidantsDelayed-Action PreparationsOxyhemoglobinsSuperoxide DismutaseCells, CulturedDelivery of Health Care, IntegratedNanocapsulesNanomedicineLactic AcidMitochondriaBlood Gas AnalysisChemistry, PharmaceuticalAerobiosisPremature BirthGestational AgeHyperoxiaRats, Sprague-DawleyCatalaseFree RadicalsCell HypoxiaFree Radical ScavengersDrug CompoundingPolyglycolic AcidCell SurvivalAdministration, CutaneousKineticsPregnancy ComplicationsNADPH OxidaseLabor, ObstetricCell Line, TumorChitosanConvectionModels, BiologicalHydrogen-Ion ConcentrationSuperoxidesAnaerobiosisPolyethylene GlycolsAdenoviridaeDisease Models, AnimalMice, Inbred C57BLMicrospheresCell LineSkin AbsorptionBlood SubstitutesExtraction, ObstetricalDose-Response Relationship, DrugLuminescent MeasurementsEmulsionsTransfectionDependovirusLabor, InducedApoptosisAnesthesia, ObstetricalNanotechnologyNanostructuresRNA, Small InterferingPulmonary Gas ExchangeRespirationPolarographyPharmaceutical VehiclesNitric OxideLungDendrimersEquipment DesignParityEnergy Metabolism