title: [Prospective study of fertility in the District of São Paulo. I. Comparison of retrospective and prospective methods to estimate the rates of spontaneous and induced abortions].
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous / Q000453:epidemiology*; D000367:Age Factors; D001938:Brazil; D005260:Female; D005298:Fertility; D006801:Humans; D007231:Infant, Newborn; D010298:Parity; D011247:Pregnancy; D011446:Prospective Studies; D012189:Retrospective Studies; D012959:Socioeconomic Factors
vernacular_title: Estudio prospectivo de la fecundidad en el distrito de São Paulo. I. Comparación de los mtodos retrospectivo y prospectivo para estimar las fasas de aborto espontáneo y provacado.