Maternal tobacco use and extremely premature birth – a population‐based cohort study

Dahlin, S.; Gunnerbeck, Anna; Wikström, Anna‐Karin; Cnattingius, Sven; Bonamy, AK Edstedt

doi:10.1111/1471-0528.14213

Cited by 51 publications

(61 citation statements)

References 44 publications

(100 reference statements)

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“…Previous studies on maternal snuff use are based on early pregnancy data on snuff use in the MBR . However, cotinine levels in maternal urine in week 32 reflect tobacco exposure in the last trimester.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Maternal snuff use and cotinine in late pregnancy—A validation study

Gunnerbeck

Raaschou

Cnattingius

et al. 2018

Acta Obstet Gynecol Scand

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Section: Discussionmentioning

confidence: 99%

“…Studies in the MBR of self‐reported snuff use have been associated with increased risks of adverse fetal and neonatal outcomes, including stillbirth, preterm birth, neonatal apnea, and oral cleft malformations . The perceived social stigma of tobacco use in pregnancy may increase the risk of underreporting, so leading to bias .…”

Section: Introductionmentioning

confidence: 99%

Maternal snuff use and cotinine in late pregnancy—A validation study

Gunnerbeck

Raaschou

Cnattingius

et al. 2018

Acta Obstet Gynecol Scand

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“…Overall, the use of snus in pregnancy reported in the three countries with available data was <1% in the USA, 1.1% in Sweden and 3.4% in Norway .…”

Section: Resultsmentioning

confidence: 89%

“…The three studies reporting the prevalence of snus use in or after pregnancy included one population‐based cohort from Sweden, one from the USA and one register study from Norway (Table ). Data were obtained from national birth register , a survey and electronic birth records based on self‐reports by the study subjects. The number of respondents ranged from 388 to 1 371 274.…”

Section: Resultsmentioning

confidence: 99%

An update on prevalence and risk of snus and nicotine replacement therapy during pregnancy and breastfeeding

et al. 2019

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Aim In parallel with falling smoking rates, use of the oral moist tobacco product snus increases among women in reproductive age. We report an update on prevalence and effects of maternal use of snus and nicotine replacement therapy (NRT) during pregnancy and breastfeeding. Methods A literature search of human studies in Medline, PubMed and EMBASE was conducted from September 2016 to May 2018, with stepwise screening of abstracts and subsequent relevant full‐text papers for inclusion in Scandinavian and English languages. Results Based on three studies, the prevalence of snus use in pregnancy was up to 3.4% in the first trimester and 2.1% in the third trimester. In 12 studies, we found increased risk of several adverse effects, especially preterm delivery, stillbirth and small for gestational age associated with maternal snus use during pregnancy. Knowledge on effects of NRT during pregnancy was conflicting and inconclusive in 10 studies. We did not identify any studies on prevalence or potential health effects of snus or NRT during breastfeeding. Conclusion Few studies with updated data on the prevalence and adverse health effects of maternal use of snus and NRT during pregnancy were found. No studies during breastfeeding were identified.

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“…Women who continue to smoke through pregnancy are at increased risk of placental abruption [7,12], an infant with low birth weight and preterm birth before 37 weeks gestation [7,13]. Australian evidence suggests the pregnant women least likely to cease smoking are the young, socioeconomically disadvantaged and Aboriginal and Torres Strait Islanders [14].…”

Section: Introductionmentioning

confidence: 99%

A Multiple Component Intervention to Assist Young Pregnant Smokers to Cease Smoking: A Randomised Controlled Pilot Study

Lewis¹,

Hauck²,

Ronchi³

et al. 2016

J Addict Res Ther

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Objective: Australian rates of cigarette smoking are the lowest in the world. Young pregnant smokers are a sub population where smoking remains high. This pilot study assessed the feasibility of a multi-component intervention (Carbon Monoxide testing, motivational interviewing and a non-smoking buddy) to assist young pregnant women to cease smoking. Methods:Between October 2013 and June 2015, this multi-centred West Australian study recruited pregnant smokers aged 16 to 24, attending their first antenatal visit. Women (n=80) were randomised to the intervention and standard smoking cessation advice (n=43) or standard smoking cessation advice alone (n=37). At 36 weeks gestation and six weeks post birth, cessation rates were compared between groups using repeated measures survival analysis and reduction in smoking was examined using repeated measures linear regression on the number of cigarettes smoked. Results:The majority (89%) of women were unemployed or not in education, used illicit drugs (43%) and had experienced sexual abuse (23%). Involvement with child protection services was common (38%). Cigarette initiation occurred at a mean age of 13 years, median number of cigarettes smoked at baseline was 10 in both groups. Smoking cessation in intervention and controls were 17% vs. 14% at 36 weeks and 23% vs. 7% 6 weeks post birth. No significant differences in cessation or smoking reduction between groups were found individually or in the repeated events analysis. Conclusion:Given the low number of participants our findings cannot conclusively rule out this multi-component intervention. We believe it remains possible this intervention may prove effective in a larger group of participants and in another setting. Monitoring trends in this vulnerable, difficult to engage group of pregnant young women is important if we are to continue to devise effective interventions.

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Maternal tobacco use and extremely premature birth – a population‐based cohort study

Abstract: Tobacco use increases risk of extremely preterm birth. Cessation is preventive. Avoid nicotine in pregnancy.

Cited by 51 publications

References 44 publications

Maternal snuff use and cotinine in late pregnancy—A validation study

Maternal snuff use and cotinine in late pregnancy—A validation study

An update on prevalence and risk of snus and nicotine replacement therapy during pregnancy and breastfeeding

A Multiple Component Intervention to Assist Young Pregnant Smokers to Cease Smoking: A Randomised Controlled Pilot Study

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