title: [Some factors affecting the magnitude of the birth rate].
mesh_terms: D000293:Adolescent; D000328:Adult; D001723:Birth Rate; D003710:Demography; D005193:Family Planning Services; D005260:Female; D006801:Humans; D009031:Moscow; D009790:Occupations; D012959:Socioeconomic Factors
vernacular_title: O nekotorykh faktorakh, vliiaiushchikh na velichinu rozhdaemosti