Maternal smoking during pregnancy and birth defects in children: a systematic review with meta-analysis

This systematic review aimed to investigate the association between maternal smoking during pregnancy and birth defects in children. We performed an electronic search of observational studies in the databases ovid MEDLINE (1950 to April 2010), LILACS and SciELO. We included 188 studies with a total...

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Detalles Bibliográficos
Autores: Dilvania Nicoletti, Leilane Droppa Appel, Pedro Siedersberger Neto, Gabriel Waihrich Guimarães, Linjie Zhang
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2014
País:Brasil
Institución:Fundação Oswaldo Cruz (FIOCRUZ)
Repositorio:Cadernos de Saúde Pública
Idioma:inglés
portugués
OAI Identifier:oai:ojs.teste-cadernos.ensp.fiocruz.br:article/5504
Acceso en línea:https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/5504
Access Level:acceso abierto
Palabra clave:Smoking
Pregnancy
Congenital Abnormalities
Hábito de Fumar
Gravidez
Anormalidades Congênitas
Descripción
Sumario:This systematic review aimed to investigate the association between maternal smoking during pregnancy and birth defects in children. We performed an electronic search of observational studies in the databases ovid MEDLINE (1950 to April 2010), LILACS and SciELO. We included 188 studies with a total of 13,564,914 participants (192,655 cases). Significant positive associations were found between maternal smoking and birth defects in the following body systems: cardiovascular (OR: 1.11; 95%CI: 1.03-1.19), digestive (OR: 1.18; 95%CI: 1.07-1.30), musculoskeletal (OR: 1.27; 95%CI: 1.16-1.39) and face and neck (OR: 1.28; 95%CI: 1.19-1.37). The strength of association between maternal smoking and birth defects measured by the OR (95%CI) is significantly related to the amount of cigarettes smoked daily (χ2 = 12.1; df = 2; p = 0.002). In conclusion, maternal smoking during pregnancy is associated with congenital malformations in children and this association is dose-dependent.