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Longitudinal study of smoking cessation before pregnancy and children's cognitive abilities at 56 months of age

Heinonen, Kati, Räikkönen, Katri, Pesonen, Anu-Katriina, Andersson, Sture, Kajantie, Eero, Eriksson, Johan G., Wolke, Dieter, Lano, Aulikki·2011·Early Human Development
DOI 10.1016/j.earlhumdev.2011.02.002
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Abstract

Background An inverse relationship exists between the rates of maternal smoking during pregnancy and children's cognitive abilities. The effect of maternal cessation of smoking before pregnancy on child's cognitive development is less clear. Aims To study whether maternal cessation of smoking before pregnancy is associated with children's cognitive abilities. Study design and subjects The original cohort included all 1535 live-born infants admitted to the neonatal wards during 1 year and 658 randomly recruited non-admitted infants. The present study sample comprised 1019 (68.2%) children of the original sample born at term and free of any major impairment followed up to 56 months. Outcome measures Child's general reasoning, visual-motor integration, verbal competence, and language comprehension at 56 months of age. Results The results showed that children whose mothers smoked >10 cigarettes per day before pregnancy but none during pregnancy, fared 12.07 (95% confidence interval [CI]: 4.07 to 20.08) and 11.23 (95% CI: 2.81 to 19.66) age-standardized points poorer in general reasoning and in language comprehension tests, respectively, than children of never-smokers. All results were adjusted for the sex, gestational age-adjusted birth weight, multiple/singleton pregnancy, birth order, preeclampsia, maternal diabetes, admission to neonatal ward, 5-minute Apgar score ( Conclusions Heavy smoking before pregnancy is associated with children's lower cognitive abilities even if the m…

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Metadata

Authors
Heinonen, K., Räikkönen, K., Pesonen, A.-K., Andersson, S., Kajantie, E., Eriksson, J. G., Wolke, D., & Lano, A.
Venue
Early Human Development
Publisher
Elsevier BV
Published
2011-05
Volume
87
Issue
5
Pages
353-359
ISSN
0378-3782
DOI
10.1016/j.earlhumdev.2011.02.002
Cited by
25
References
7
Language
en
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CoChat. (2026). Citation check: Longitudinal study of smoking cessation before pregnancy and children's cognitive abilities at 56 months of age. https://app.cochat.ai/papers/10.1016/j.earlhumdev.2011.02.002
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Heinonen, K., Räikkönen, K., Pesonen, A.-K., Andersson, S., Kajantie, E., Eriksson, J. G., Wolke, D., & Lano, A. (2011). Longitudinal study of smoking cessation before pregnancy and children's cognitive abilities at 56 months of age. Early Human Development. https://doi.org/10.1016/j.earlhumdev.2011.02.002