title: Trends in fertility level in the Union of Soviet Socialist Republics during the years of Soviet rule.
authors.forename: B T
authors.initials: BT
authors.lastname: Urlanis
mesh_terms: D001722:Birth Order; D001723:Birth Rate; D003268:Contraception Behavior; D003710:Demography; D019049:Developed Countries; D005006:Ethnicity; D005193:Family Planning Services; D005298:Fertility; D007226:Infant Mortality; D008423:Maternal Age; D009026:Mortality; D011153:Population; D011157:Population Dynamics; D012098:Reproduction; D012106:Research; D013223:Statistics as Topic; D014586:USSR
keywords: Age Specific Fertility Rate--changes; Birth Order; Birth Rate--changes; Child Mortality; Contraceptive Usage; Demographic Factors; Developed Countries; Estimation Technics; Ethnic Groups; Family Planning; Fertility Measurements; Fertility Rate--changes; Fertility--changes; Gross Reproduction Rate; Infant Mortality; Mortality; Population; Population Dynamics; Reproduction; Summary Report; Ussr