ChorioamnionitisFetal Membranes, Premature RuptureAmniotic FluidPregnancyAmnionObstetric Labor, PrematureExtraembryonic MembranesMembranesChorionMembrane LipidsCell MembraneIntracellular MembranesUreaplasma InfectionsPremature BirthMembrane PotentialsGestational AgeMembranes, ArtificialInfant, PrematurePlacentaPregnancy Complications, InfectiousInfant, NewbornUreaplasmaBronchopulmonary DysplasiaErythrocyte MembraneMembrane FluidityLabor, ObstetricLeukemoid ReactionAbortion, SepticAdrenergic beta-3 Receptor AgonistsTerm BirthSheep, DomesticInfant, Premature, DiseasesCell Membrane PermeabilityHistocompatibility, Maternal-FetalFetusBasement MembraneUmbilical CordRespiratory Distress Syndrome, NewbornAmniocentesisSheepAbruptio PlacentaeEndometritisFetal DistressFetal DeathDelivery, ObstetricMembrane Transport ProteinsChorioallantoic MembraneBetamethasoneMeconiumFetal Organ MaturityMembrane GlycoproteinsPlacenta DiseasesInterleukin-1alphaLipid BilayersSepsisChemokine CXCL10Ureaplasma urealyticumChemokine CXCL11Matrix Metalloproteinase 8Pregnancy OutcomePregnancy Complications