Infectious Disease Transmission, VerticalAsphyxiaAsphyxia NeonatorumInfant, NewbornInfant, PrematureCause of DeathCell DeathInfant, Premature, DiseasesInfant CareInfant MortalityInfant FoodFetal HypoxiaInfant, Newborn, DiseasesInfant FormulaInfant BehaviorHypoxia-Ischemia, BrainSudden Infant DeathDeathPregnancyGestational AgeInfant, Low Birth WeightApgar ScoreInfant Nutritional Physiological PhenomenaBirth InjuriesFetal DeathInfant, Very Low Birth WeightUmbilical CordIntensive Care Units, NeonatalChild DevelopmentDevelopmental DisabilitiesBirth WeightApneaBreast FeedingInfant WelfareAnimals, NewbornIntensive Care, NeonatalHypothermia, InducedResuscitationInfant, Extremely Low Birth WeightDeath, Sudden, CardiacRespiratory Distress Syndrome, NewbornHypoxia, BrainAutopsyTime FactorsMilk, HumanObstetrical ForcepsObstetric Labor ComplicationsRisk FactorsBrain DeathStillbirthInfant, Extremely PrematureFetusOxygenInfant, Small for Gestational AgeSheepProne PositionCarbon DioxideProspective StudiesBottle FeedingFetishism (Psychiatric)Follow-Up StudiesCongenital AbnormalitiesRetrospective Studies