• Agnès Dumas, Stéphanie Toutain, and Laurence Simmat-Durand.
• 1 Centre for Research in Epidemiology and Population Health (CESP) , INSERM U1018, Villejuif, France .
• J Womens Health (Larchmt). 2017 Jul 1; 26 (7): 798-805.

BackgroundAdverse effects are associated with alcohol drinking during pregnancy and breastfeeding. Data are lacking on the size of the population at risk and on the characteristics of women engaging in risky behaviors such as daily consumption or repeated binge drinking.Materials And MethodsA cross-sectional survey was carried out by telephone among a nationally representative sample of pregnant and postpartum women. Frequency of alcohol use and binge drinking was retrospectively measured according to distinct time periods. Multivariable regression models were used to identify the characteristics of women reporting risk-taking behaviors.ResultsA total of 3,603 women participated. Daily consumption was reported by 0.1% of pregnant women and by 0.4% of breastfeeding women. In early pregnancy, 8.0% of women reported binge drinking (≥1 episode) and 1.2% reported repeated binge drinking (≥3 episodes). Binge drinking was estimated at 1.1% in late pregnancy and at 6.8% during breastfeeding. Characteristics of drinkers varied across these different drinking patterns and subpopulations. Moderate drinking during pregnancy and breastfeeding was associated with higher educational level. Smoking increased with increased frequency of alcohol use. Repeated binge drinking in early pregnancy was associated with late recognition of the pregnancy, while binge drinking in late pregnancy was associated with smoking.ConclusionsDaily alcohol use during pregnancy or breastfeeding was limited, while binge drinking in early pregnancy was reported by a large proportion of women. Demographic and socioeconomic characteristics of drinkers varied across drinking patterns.

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