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Infant MortalityHistorical DemographyCauses of DeathMortalitFertility DeclineChild MortalityDemographic TransitionIllegitimate ChildrenMaternal MortalityLife ExpectancySocial StatusDemographic AnalysisDemographic Historythe First World WarNumber of ChildrenDifferential MortalityKinship NetworkPublic HealthPopulation DynamicsPopulation Statistics