title: Evolution of fertility and mortality.
mesh_terms: D000028:Abortion, Induced; D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001723:Birth Rate; D002170:Canada; D003268:Contraception Behavior; D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D005193:Family Planning Services; D005298:Fertility; D006285:Health Planning; D007086:Illegitimacy; D007226:Infant Mortality; D007878:Legislation as Topic; D008423:Maternal Age; D009026:Mortality; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012942:Social Sciences; D014507:Urbanization
keywords: Abortion, Induced--legal aspects; Adolescents; Adolescents, Female; Age Factors; Age Specific Fertility Rate; Americas; Birth Rate; Canada; Contraceptive Usage; Demographic Factors; Demography; Developed Countries; Family Planning; Family Planning Programs; Fertility; Fertility Control, Postconception; Fertility Measurements; Fertility Rate; Infant Mortality; International Migration; Laws And Statutes; Mortality; North America; Northern America; Population; Population Characteristics; Population Dynamics; Social Sciences; Unmarried Mothers; Urbanization; Youth