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Tobacco use in the third trimester of pregnancy and its relationship to birth weight : A prospective study in Spain

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Tobacco use in the third trimester of pregnancy and its relationship to birth weight : A prospective study in Spain

dc.contributor.author	Vila Candel, Rafael
dc.contributor.author	Soriano-Vidal, Francisco Javier
dc.contributor.author	Hevilla-Cucarella, Enrique
dc.contributor.author	Castro-Sánchez, Enrique
dc.contributor.author	Martín Moreno, José María
dc.date.accessioned	2023-11-14T18:06:18Z
dc.date.available	2023-11-14T18:06:18Z
dc.date.issued	2015
dc.identifier.uri	https://hdl.handle.net/10550/91143
dc.description.abstract	Background: Few studies have been carried out in Spain examining the use of tobacco amongst expectant mothers and its effect on birth weight. Aims: To observe the proportion of expectant mothers who smoke during their pregnancy, and the impact of tobacco consumption on maternal and birth weight. We also aimed to identify the trimester of pregnancy in which tobacco use produced the greatest reduction in birth weight. Methods: Prospective observational study in Spain. A random sampling strategy was used to select health centres and participant women. A total of 137 individuals were enrolled in the study. Exposure to tobacco was measured through a self-reported questionnaire. Regressions were performed to obtain a predictive model for birth weight related to smoking. Findings: Overall, 35% of study participants were smokers during the pre-gestational period (27% in the first trimester, 21.9% in the second and 21.2% in the third). 38.7% of smoking cessation attempts took place in the third-trimester. Pregnant women who smoked up to the third trimester had a higher risk of giving birth to a baby under 3000 g, compared to non-smokers (OR = 5.94, CI 95%: 1.94-18.16). Each additional unit of tobacco consumed daily in the 3rd trimester led to a 32 g reduction in birth weight. Conclusion: An important proportion of pregnant women in Spain smoke during pregnancy. Pregnant women exposed to tobacco have newborns with lower birth weight. Smoking during the 3rd trimester of pregnancy is associated with the greatest risk of lower birth weight.
dc.language.iso	eng
dc.relation.ispartof	Women And Birth, 2015, vol. 28, num. 4, p. 134-139
dc.source	Vila Candel, Rafael Soriano-Vidal, Francisco Javier Hevilla-Cucarella, Enrique Castro-Sánchez, Enrique Martín Moreno, José María 2015 Tobacco use in the third trimester of pregnancy and its relationship to birth weight : A prospective study in Spain. Women And Birth, 28 4 134 139. https://doi.org/10.1016/j.wombi.2015.06.003
dc.subject	embaràs
dc.subject	tabac
dc.title	Tobacco use in the third trimester of pregnancy and its relationship to birth weight : A prospective study in Spain
dc.type	journal article
dc.date.updated	2023-11-14T18:06:19Z
dc.identifier.doi	10.1016/j.wombi.2015.06.003
dc.identifier.idgrec	112827
dc.rights.accessRights	open access