Prelabor cesarean section: the role of advanced maternal age and associated factors



Título del documento: Prelabor cesarean section: the role of advanced maternal age and associated factors
Revista: Revista de saude publica
Base de datos:
Número de sistema: 000535770
ISSN: 0034-8910
Autores: 1
2
3
4
5
Instituciones: 1Universidade Federal do Espírito Santo, Programa de Pós-Graduação em Saúde Coletiva, Vitória, Espírito Santo. Brasil
2Fundação Oswaldo Cruz, Escola Nacional de Saúde Pública, Rio de Janeiro. Brasil
3Universidade Estadual de Feira de Santana, Departamento de Saúde, Feira de Santana, Bahia. Brasil
4Fundação Oswaldo Cruz, Instituto Fernandes Figueira, Rio de Janeiro. Brasil
5Universidade Federal do Espírito Santo, Departamento de Medicina Social, Vitória, Espírito Santo. Brasil
Año:
Volumen: 55
País: Brasil
Idioma: Inglés
Resumen en inglés OBJECTIVE to evaluate whether advanced maternal age (AMA) is associated with prelabor cesarean section and to identify the factors associated with prelabor cesarean section in AMA women, according to the mode of type of labor financing (private or public). METHODS Based on the Birth in Brazil survey, the research was conducted on representative sample of mothers for the country (Brazil), regions, type of hospital and location (capital or not), in 2011/2012. This study included 15,071 women from two age groups: 20–29 years and ≥ 35 years. The information was collected from interviews with puerperal woman, prenatal cards, and medical records of mothers and newborns. Multiple logistic regression modelling was used to verify the association between prelabor cesarean section and maternal, prenatal and childbirth characteristics, according to the mode of financing. RESULTS Our results showed a higher use of prelabor cesarean section for AMA (≥ 35 years) women in the public service (OR = 1.63; 95%CI 1.38–1.94) and in the private service (OR = 1.44; 95%CI 1.13–1.83), compared with women aged 20–29 years. In the adjusted model, we recorded three factors associated with the prelabor cesarean section in AMA women in both, public and private sectors: the same professional in prenatal care and childbirth (OR = 4.97 and OR = 4.66); nulliparity (OR = 6.17 and OR = 10.08), and multiparity with previous cesarean section (from OR = 5.73 to OR = 32.29). The presence of obstetric risk (OR = 1.94; 95%CI .44–2.62) also contributed to the occurrence of prelabor cesarean section in women who gave birth in the public service. CONCLUSIONS AMA was an independent risk factor for prelabor cesarean in public and private services. In the public, prelabor cesarean in AMA was more influenced by clinical criteria. Higher chance of prelabor cesarean section in nulliparous women increases the chance of cesarean section in multiparous women, as we showed in this study, which increases the risk of anomalous placental implantation.
Keyword: Cesarean Section,
Maternal and Child Health,
Maternal Age,
Pregnancy Complications
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