BetamethasoneBetamethasone ValerateObstetric Labor, PrematurePremature BirthPregnancyInfant, PrematureGestational AgeInfant, NewbornPregnancy OutcomeGlucocorticoidsFetal Organ MaturityChorioamnionitisFetal Membranes, Premature RuptureInfant, Low Birth WeightPregnancy Trimester, SecondDelivery, ObstetricPregnancy ComplicationsInfant, Premature, DiseasesCervical RipeningSheepPrenatal Exposure Delayed EffectsDrug Delivery SystemsPrenatal CarePregnancy Trimester, ThirdCervix UteriAmniotic FluidUterine Cervical IncompetenceTocolysisFetusCesarean SectionBirth WeightInfant, Small for Gestational AgePregnancy Complications, InfectiousPhimosisRespiratory Distress Syndrome, NewbornAnti-Inflammatory AgentsUterine MonitoringPregnancy, High-RiskTocolytic AgentsExtraembryonic MembranesAdministration, TopicalOintmentsVaginosis, BacterialFetal Growth RetardationRisk FactorsParityStillbirthPregnancy, MultipleCervical Length MeasurementProspective StudiesInfant, Extremely PrematureUltrasonography, PrenatalMaternal AgeFetal DeathClobetasolPregnancy, TwinPre-EclampsiaPlacentaTerm BirthPerinatal MortalityPlacenta DiseasesPlacental CirculationInfant Mortality