Cited by 282Prenatal Substance Exposure EffectsSmoking Behavior and CessationPregnancy and preeclampsia studies

A systematic review of maternal smoking during pregnancy and fetal measurements with meta-analysis

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Abraham, Miriam, Alramadhan, Salem, Iniguez, Carmen, Duijts, Liesbeth, Jaddoe, Vincent W. V., Den Dekker, Herman T., Crozier, Sarah, Godfrey, Keith M. +7 more·2017·PLOS ONE

Abstract

BACKGROUND: Maternal smoking during pregnancy is linked to reduced birth weight but the gestation at onset of this relationship is not certain. We present a systematic review of the literature describing associations between maternal smoking during pregnancy and ultrasound measurements of fetal size, together with an accompanying meta-analysis. METHODS: Studies were selected from electronic databases (OVID, EMBASE and Google Scholar) that examined associations between maternal smoking or smoke exposure and antenatal fetal ultrasound measurements. Outcome measures were first, second or third trimester fetal measurements. RESULTS: There were 284 abstracts identified, 16 papers were included in the review and the meta-analysis included data from eight populations. Maternal smoking was associated with reduced second trimester head size (mean reduction 0.09 standard deviation (SD) [95% CI 0.01, 0.16]) and femur length (0.06 [0.01, 0.10]) and reduced third trimester head size (0.18 SD [0.13, 0.23]), femur length (0.27 SD [0.21, 0.32]) and estimated fetal weight (0.18 SD [0.11, 0.24]). Higher maternal cigarette consumption was associated with a lower z score for head size in the second (mean difference 0.09 SD [0, 0.19]) and third (0.15 SD [0.03, 0.26]) trimesters compared to lower consumption. Fetal measurements were not reduced for those whose mothers quit before or after becoming pregnant compared to mothers who had never smoked. CONCLUSIONS: Maternal smoking during pregnancy is associated with reduced fetal measurements after the first trimester, particularly reduced head size and femur length. These effects may be attenuated if mothers quit or reduce cigarette consumption during pregnancy.

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  • Cessation of smoking before and shortly after becoming pregnant was not associated with SGA.

    “A previous systematic review showed that cessation of smoking before and shortly after becoming pregnant was not associated with SGA and this suggests that the mechanisms affecting fetal growth predominantly act beyond the first trimester [46].”

    From Associations between periconceptional lifestyle behaviours and adverse pregnancy outcomes (2021) · cites this paper as [46]

    The Discussion reports that cessation before or shortly after becoming pregnant was not associated with reduced fetal size and suggests that effects on growth act predominantly in the second half of pregnancy. The Results measure fetal size, however, rather than reporting whether cessation was associated with small for gestational age (SGA). (LLM, conf=0.88)

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  • Mechanisms affecting fetal growth predominantly act beyond the first trimester.

    “A previous systematic review showed that cessation of smoking before and shortly after becoming pregnant was not associated with SGA and this suggests that the mechanisms affecting fetal growth predominantly act beyond the first trimester [46].”

    From Associations between periconceptional lifestyle behaviours and adverse pregnancy outcomes (2021) · cites this paper as [46]

    The Discussion says that cessation before or shortly after conception was not associated with reduced fetal size and suggests that mechanisms affecting fetal growth act predominantly in the second half of pregnancy. This supports the citing sentence’s proposed timing, but the source reports fetal size, not the stated SGA outcome. (LLM, conf=0.86)

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Authors
Abraham, M., Alramadhan, S., Iniguez, C., Duijts, L., Jaddoe, V. W. V., Den Dekker, H. T., Crozier, S., Godfrey, K. M., Hindmarsh, P., Vik, T., Jacobsen, G. W., Hanke, W., Sobala, W., Devereux, G., & Turner, S.
Affiliations
  • University of Aberdeen (GB)
  • Erasmus MC (NL)
  • University Hospital Southampton NHS Foundation Trust (GB)
  • University College London (GB)
  • Norwegian University of Science and Technology (NO)
  • Nofer Institute of Occupational Medicine (PL)
Corresponding author
Turner, Steve
Venue
PLOS ONE
Published
2017-02-23
Volume
12
Issue
2
Pages
e0170946
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2589713358
Cited by
282
References
35
Citations by year
2026: 13 · 2025: 23 · 2024: 36 · 2023: 41 · 2022: 30 · 2021: 56 · 2020: 36 · 2019: 20 · 2018: 23 · 2017: 3
FWCI
4.20
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (publishedVersion, other-oa)
  • BIBSYS Brage (BIBSYS (Norway)) (acceptedVersion, cc-by)
  • ePrints Soton (University of Southampton) (acceptedVersion)
  • Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
  • NORA - Norwegian Open Research Archives (submittedVersion, cc-by)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • RePub (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
European Cooperation in Science and Technology
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
Keywords
smoking during pregnancy, fetal growth, fetal head circumference, femur length, estimated fetal weight, cigarette consumption, smoking cessation, prenatal tobacco exposure, birth weight
MeSH terms
Birth Weight, Female, Fetal Growth Retardation, Head, Humans, Pregnancy, Pregnancy Trimester, First, Pregnancy Trimester, Second, Pregnancy Trimester, Third, Smoking, Tobacco Smoke Pollution, Fetal Development

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