[Contraceptive practice in Mexico:  two five-year periods, two different patterns (1976-1977 to 1987)].
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D000367:Age Factors; D000569:Americas; D001723:Birth Rate; D015331:Cohort Studies; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D003906:Developing Countries; D004467:Economics; D004522:Educational Status; D016656:Family Planning Policy; D005193:Family Planning Services; D005298:Fertility; D006285:Health Planning; D007843:Latin America; D008800:Mexico; D009656:North America; D010298:Parity; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D016730:Program Development; D011640:Public Policy; D012106:Research; D012424:Rural Population; D012923:Social Class; D012959:Socioeconomic Factors; D013997:Time Factors
Age Factors; Americas; Cohort Analysis; Comparative Studies; Contraception; Contraceptive Prevalence; Contraceptive Usage--changes; Demographic And Health Surveys; Demographic Factors; Demographic Surveys; Developing Countries; Economic Factors; Educational Status--women; Family Planning; Family Planning Policy; Family Planning Programs; Fertility Measurements; Fertility Surveys; Fertility--changes; Latin America; Mexico; North America; Parity; Policy; Population; Population Characteristics; Population Dynamics; Population Policy; Progress Report; Research Methodology; Rural Population--women; Social Policy; Socioeconomic Factors; Socioeconomic Status; Studies; Time Factors; World Fertility Surveys