Adverse perinatal outcomes for advanced maternal age: a cross-sectional study of Brazilian births
Journal Title: Jornal de Pediatria - Year 2015, Vol 91, Issue 5
Abstract
Objectives To investigate the risk of adverse perinatal outcomes in women aged ≥41 years relatively to those aged 21–34. Methods Approximately 8.5 million records of singleton births in Brazilian hospitals in the period 2004–2009 were investigated. Odds ratios were estimated for preterm and post-term births, for low Apgar scores at 1min and at 5min, for asphyxia, for low birth weight, and for macrosomia. Results For pregnant women ≥41, increased risks were identified for preterm births, for post-term births (except for primiparous women with schooling ≥12 years), and for low birth weight. When comparing older vs. younger women, higher educational levels ensure similar risks of low Apgar score at 1min (for primiparous mothers and term births), of low Apgar score at 5min (for term births), of macrosomia (for non-primiparous women), and of asphyxia. Conclusion As a rule, older mothers are at higher risk of adverse perinatal outcomes, which, however, may be mitigated or eliminated, depending on gestational age, parity, and, especially, on the education level of the pregnant woman.
Authors and Affiliations
Renan Almeida
Keywords
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- EP ID EP556145
- DOI 10.1016/j.jped.2014.12.002
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