Comparative analysis of frequency of type of childbirth in different gestational and chronological ages from pregnant women of a hospital institution ; Comparative analysis of frequency of type of childbirth in different gestational and chronological ages from pregnant women of a hospital institution/Análise comparativa da frequência do tipo de parto nas diferentes idades gestacionais e cronológicas das

Objectives: to compare the frequency of at all gestational ages, the frequency of the type of childbirth in different chronological ages and relating the frequency of type of childbirth with gestational and the chronological ages of the women attended at the Hospital Gimirim of Poço Fundo-MG, Brazil, in the years 2006-2010. Method: it is a quantitative, exploratory, comparative, cross-sectional, and retrospective study. Data were obtained through analysis of the data recorded in the register book of births from the Sector of Gynecology and Obstetrics of the Hospital Gimirim of Poço Fundo-MG, Brazil, in the years 2006-2010. The data from 100% (795) of the women were analyzed, didactically divided into three groups: adolescents (10 to 19 years), adults (20 to 34 years) and women with advanced fertile age (> or = 35 years old), after the research project was approved by the Ethics Committee Research of the Escola de Enfermagem Wenceslau Braz, with embodied Opinion nº 611/11. Results: with 99% of reliability, as the gestational age increases, the type of childbirth tends to be through cesarean section; there is no statistical relation between the type of childbirth and the chronological age. Conclusion: there is relationship between the type of childbirth and the gestational age and between gestational and chronological ages, but there is no statistical relationship between the type of childbirth and the chronological age. Descriptors: natural childbirth; cesarean section; humanized birth; gestational age. RESUMO Objetivos: comparar a frequência do tipo de parto nas diferentes idades gestacionais; comparar a frequência do tipo de parto nas diferentes idades cronológicas e relacionar a frequência do tipo de parto com as idades cronológica e gestacional das puérperas. Método: estudo quantitativo, exploratório, comparativo, seccional e retrospectivo. Os dados foram obtidos por meio da análise dos dados registrados no livro de registro de nascimentos do Setor de Ginecologia e Obstetrícia do Hospital Gimirim, ...