Demographic Factors 3 Developing Countries 3 Economic Factors 3 Educational Status--men Educational Status--women 3 Family Planning 3 Fertility 3 mehr ... Fertility Measurements 3 Journal Article 3 Parity 3 Population 3 Population Characteristics 3 Population Dynamics 3 Socioeconomic Factors 3 Socioeconomic Status 3 Age Factors 2 Asia 2 Behavior 2 Contraception 2 Geographic Factors 2 Income 2 Motivation 2 Research Methodology 2 Studies 2 Age Factors--men 1 Age Factors--women 1 Americas 1 Birth Spacing 1 Births Expected 1 Central America 1 weniger ...