Is adolescent pregnancy a risk factor for low birth weight?

Revista de Saúde Pública

Alzira Maria D'avila Nery Guimarães²  Heloísa Bettiol¹  Luiz De Souza¹  Ricardo Q Gurgel¹  Maria Luiza Dória Almeida¹  Eleonora Ramos De Oliveira Ribeiro¹  Marcelo Z Goldaniv¹  Marco Antônio Barbieri¹ 

[1] ,Universidade Federal de Sergipe Departamento de Enfermagem Aracaju SE ,Brasil

关键词: Pregnancy in Adolescence. Infant;    Low Birth Weight;    Prenatal Care;    Risk Factors;    Socioeconomic Factors;    Cross-Sectional Studies;    Gravidez na Adolescência;    Recém-Nascido de Baixo Peso;    Cuidado Pré-Natal;    Fatores de Risco;    Fatores Socioeconômicos;    Estudos Transversais;    Embarazo en Adolescencia;    Recién Nacido de Bajo Peso;    Atención Prenatal;    Factores de Riesgo;    Factores Socioeconómicos;    Estudios Transversales;   

DOI  :  10.1590/S0034-89102013000100003

来源: SciELO

【 摘 要 】

OBJECTIVE: The objective of this study was to evaluate whether adolescent pregnancy is a risk factor for low birth weight (LBW) babies. METHODS: This was a cross-sectional study of mothers and their newborns from a birth cohort in Aracaju, Northeastern Brazil. Data were collected consecutively from March to July 2005. Information collected included socioeconomic, biological and reproductive aspects of the mothers, using a standardized questionnaire. The impact of early pregnancy on birth weight was evaluated by multiple logistic regression. RESULTS: We studied 4,746 pairs of mothers and their babies. Of these, 20.6% were adolescents (< 20 years of age). Adolescent mothers had worse socioeconomic and reproductive conditions and perinatal outcomes when compared to other age groups. Having no prenatal care and smoking during pregnancy were the risk factors associated with low birth weight. Adolescent pregnancy, when linked to marital status "without partner", was associated with an increased proportion of low birth weight babies. CONCLUSIONS: Adolescence was a risk factor for LBW only for mothers without partners. Smoking during pregnancy and lack of prenatal care were considered to be independent risk factors for LBW.

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