ChorioamnionitisVaginaCervix UteriFetal Membranes, Premature RuptureAmniotic FluidPregnancyObstetric Labor, PrematureAmnionExtraembryonic MembranesVaginal NeoplasmsChorionPremature BirthUreaplasma InfectionsSuperficial Back MusclesGestational AgeUterine Cervical NeoplasmsPlacentaObserver VariationPregnancy Complications, InfectiousInfant, PrematureInfant, NewbornLabor, ObstetricUreaplasmaReproducibility of ResultsBronchopulmonary DysplasiaGenitalia, FemaleLeukemoid ReactionAbortion, SepticTerm BirthSheep, DomesticAdrenergic beta-3 Receptor AgonistsInfant, Premature, DiseasesVaginal DiseasesHistocompatibility, Maternal-FetalCervical RipeningFetusUmbilical CordAmniocentesisRespiratory Distress Syndrome, NewbornSheepUterusAbruptio PlacentaeCervix MucusRetrospective StudiesDelivery, ObstetricEndometritisFetal DistressFetal DeathTime FactorsPregnancy OutcomeProspective StudiesBetamethasoneLenses, IntraocularMeconiumFetal Organ MaturityUreaplasma urealyticumPregnancy Trimester, ThirdPlacenta DiseasesMatrix Metalloproteinase 8ImmunohistochemistryInterleukin-1alphaPregnancy ComplicationsChemokine CXCL10Chemokine CXCL11Treatment OutcomeSepsis