ChorioamnionitisFetal Membranes, Premature RuptureAmniotic FluidPregnancyObstetric Labor, PrematureAmnionExtraembryonic MembranesChorionUreaplasma InfectionsSuperficial Back MusclesPremature BirthGestational AgePlacentaInfant, PrematureObserver VariationPregnancy Complications, InfectiousInfant, NewbornUreaplasmaBronchopulmonary DysplasiaReproducibility of ResultsLabor, ObstetricLeukemoid ReactionAbortion, SepticAdrenergic beta-3 Receptor AgonistsTerm BirthSheep, DomesticInfant, Premature, DiseasesHistocompatibility, Maternal-FetalFetusUmbilical CordRespiratory Distress Syndrome, NewbornAmniocentesisAbruptio PlacentaeEndometritisSheepFetal DistressFetal DeathDelivery, ObstetricRetrospective StudiesBetamethasoneLenses, IntraocularMeconiumFetal Organ MaturityPlacenta DiseasesInterleukin-1alphaChemokine CXCL10Chemokine CXCL11Ureaplasma urealyticumSepsisMatrix Metalloproteinase 8