Key result
Maternal smoking during pregnancy links to child overweight independent of maternal BMI and genetic predisposition.
Why the study?
The study investigated whether maternal smoking in pregnancy is associated with child BMI and risk of child overweight independent of maternal pre-pregnancy BMI, genetic predisposition to adiposity, and socioeconomic factors.
Does maternal smoking in pregnancy increase child BMI and risk for child overweight in children?
Cohort (n=100,000)
Does maternal smoking in pregnancy increase child BMI and risk for child overweight in children?
This study investigates the association between maternal smoking during pregnancy and child overweight, independent of maternal pre-pregnancy BMI and genetic predisposition.
Answers are grounded in this paper and cite their sources.
Supports smoking cessation counseling in pregnancy; leaves open causality for child overweight after genetic adjustment.
Brief Summary: This case cohort study, based on the Danish National Birth Cohort (DNBC) with ~100 000 women and their children, investigated whether maternal smoking in pregnancy is associated with child BMI and risk for child overweight, independent of maternal pre-pregnancy BMI, genetic predisposition to adiposity and socio-economic factors. Furthermore, the authors assessed the interaction of maternal predisposition to adiposity on the association between maternal smoking on child BMI.
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Schnurr et al. (2022) conducted a cohort in Child overweight (n=100,000). Maternal smoking in pregnancy vs. No maternal smoking was evaluated on Child BMI and risk for child overweight. Maternal smoking during pregnancy is associated with child overweight independent of maternal pre-pregnancy BMI and genetic predisposition to adiposity.
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