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The importance of smoking cessation during pregnancy and its association with perinatal outcomes

2021-11-10Conference object Open access
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dc.contributor.authorSilva, Ana Inês
dc.contributor.authorCamelo, Alexandra
dc.contributor.authorMadureira, Joana
dc.contributor.authorReis, Ana Teresa
dc.contributor.authorBarbosa Jr, Fernando
dc.contributor.authorTeixeira, João Paulo
dc.contributor.authorCosta, Carla
dc.date.accessioned2022-07-11T15:42:06Z
dc.date.available2022-07-11T15:42:06Z
dc.date.issued2021-11-10
dc.descriptionEur J Public Health. 2021 Oct;31(Suppl 3):ckab164.781, p.iii296. https://doi.org/10.1093/eurpub/ckab164.781pt_PT
dc.description.abstractIn utero exposure to tobacco smoke is associated with an increased risk of multiple adverse perinatal outcomes. Smoking cessation during pregnancy has been related to the improvement of these outcomes, but often relies on self-reporting, impairing an accurate assessment of smoking cessation impact on newborńs health. Building on data obtained in the frame of the NEOGENE project, this work aimed to estimate the association between smoking cessation among pregnant women, confirmed by maternal urinary cotinine concentrations, and perinatal outcomes. The study population included 595 pregnant women who sought prenatal care in a public hospital in Porto (Portugal), from April 2017 to July 2018. Data on tobacco consumption and cessation was obtained in a face-to-face interview, during the hospital stay. Perinatal outcomes, namely birth weight (BW), length (BL) and head circumference (HC) were retrieved from the hospital medical records. Maternal self-reported tobacco use was validated by urinary cotinine concentrations, using the solid-phase competitive ELISA technique. Maternal active smoking was associated with a significant decrease in BW, BL and HC of 157.66 g (p < 0.001), 0.78 cm (p = 0.001) and 0.39 cm (p = 0.016). Notably, maternal smoking cessation led to a significant increase in BW of approximately 172 g (p = 0.006), when compared to mothers who have not ceased. Increases in BL and HC did not reach significance. This study upholds that tobacco consumption is still an important public health threat in Portugal and that smoking cessation during pregnancy reverses smoking-associated deficits in perinatal outcomes, emphasizing the crucial need for awareness campaigns to promote smoking cessation during pregnancy.pt_PT
dc.description.abstractKey messages: Maternal active smoking was significantly associated with lower birth weight, length and head circumference; Maternal smoking cessation reverses the smoking-associated deficits in birth weight.pt_PT
dc.description.sponsorshipThis work was supported by FCT and FAPESP (FAPESP/19914/2014). AIS, JM and CC also acknowledge FCT for individual funding (SFRH/BD/145101/2019, SFRH/BPD/115112/2016 and SFRH/BPD/96196/2013 grants, respectively).pt_PT
dc.description.versionN/Apt_PT
dc.identifier.urihttp://hdl.handle.net/10400.18/8224
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationEffects of in utero exposure to environmental contaminants: an epigenetic approach
dc.relationEarly life exposure to atmospheric air pollutants and potential DNA damage: Consequences on development and childhood outcomes APPEAL
dc.relationImpact of transplacental exposure to tobacco smoke in the DNA of newborn. Evaluation of genetic damage and epigenetic changes. Evolution throughout childhood.
dc.subjectTobaccopt_PT
dc.subjectSmokingpt_PT
dc.subjectPregnancypt_PT
dc.subjectMotherspt_PT
dc.subjectUrinary Tractpt_PT
dc.subjectPortugalpt_PT
dc.subjectAvaliação do Riscopt_PT
dc.titleThe importance of smoking cessation during pregnancy and its association with perinatal outcomespt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleEffects of in utero exposure to environmental contaminants: an epigenetic approach
oaire.awardTitleEarly life exposure to atmospheric air pollutants and potential DNA damage: Consequences on development and childhood outcomes APPEAL
oaire.awardTitleImpact of transplacental exposure to tobacco smoke in the DNA of newborn. Evaluation of genetic damage and epigenetic changes. Evolution throughout childhood.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F145101%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F115112%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F96196%2F2013/PT
oaire.citation.conferencePlace(online)pt_PT
oaire.citation.title14th European Public Health Conference, EUPHA/EPH, 10-12 November 2021pt_PT
oaire.fundingStreamPOR_NORTE
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isProjectOfPublicationc194aaeb-1887-436a-a016-a6b7995cc3ea
relation.isProjectOfPublication0c38fa63-8890-47d4-b3d3-1aa47f53b966
relation.isProjectOfPublicationf4b22fdf-07e9-4ee8-884a-ea80e97bc850
relation.isProjectOfPublication.latestForDiscovery0c38fa63-8890-47d4-b3d3-1aa47f53b966

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