SepsisInfant, Newborn, DiseasesInfant, NewbornStreptococcus agalactiaeChorioamnionitisFetal Membranes, Premature RuptureStreptococcal InfectionsInfant, Premature, DiseasesIntensive Care Units, NeonatalAntibiotic ProphylaxisInfant, PrematurePregnancy Complications, InfectiousCalcitoninBacteremiaGram-Negative Bacterial InfectionsAnti-Bacterial AgentsInfectious Disease Transmission, VerticalParechovirusPregnancyHaemophilus parainfluenzaeMeningitisGestational AgeAmpicillin ResistanceBacterial InfectionsGram-Positive Bacterial InfectionsGram-Negative BacteriaImmunoglobulins, IntravenousC-Reactive ProteinCoagulasePremature BirthInfant, Very Low Birth WeightAmpicillinAmniotic FluidStaphylococcal InfectionsImmunologic FactorsBiological MarkersEscherichia coli InfectionsProspective StudiesProtein PrecursorsFetal BloodPakistanHypertension, Pregnancy-InducedBloodShock, SepticSensitivity and SpecificityGram-Positive BacteriaInfant MortalityEarly DiagnosisAge of OnsetRisk FactorsBirth WeightBacteriological TechniquesPredictive Value of TestsROC CurveRetrospective StudiesInterleukin-6IncidenceTanzaniaTime FactorsSystemic Inflammatory Response SyndromeBacteriaLeukocyte CountDrug Resistance, BacterialCecumPuncturesMultiple Organ FailureEscherichia coliLogistic ModelsMicrobial Sensitivity TestsCase-Control StudiesTreatment OutcomeDNA, BacterialPrevalenceIntensive Care UnitsEndotoxemiaLigationCritical Illness