Fertility Journal Article 169 Demographic Factors 145 Population 145 Population Dynamics 145 Developing Countries 98 Economic Factors 62 plus ... Asia 61 Population Characteristics 59 Family Planning 57 Reproductive Behavior 57 Research Methodology 57 Fertility Measurements 51 Age Factors 45 Socioeconomic Factors 43 Developed Countries 38 Behavior 36 Americas 35 Eastern Asia 33 Health 32 Mortality 29 Studies 29 Birth Rate 28 Family And Household 28 Socioeconomic Status 28 North America 27 Youth 27 Contraception 26 Adolescent Pregnancy 25 Adolescents 25 moins ...