Louisa Gibson|Melanie Porter
Drinking or Smoking While Breastfeeding and Later Cognition in Children
Macquarie University|Macquarie University
background objectives although prenatal alcohol nicotine exposure associated reduced cognition children associations consumption alcohol lactation cognition examined aimed examine whether drinking smoking breastfeeding lowers childrens cognitive scores hypothesized increased drinking smoking would associated dosedependent cognitive reductions methods data sourced growing australia longitudinal study australian children participants 5107 australian infants recruited 2004 assessed every 2 years multivariable linear regression analyses assessed relationships drinking smoking habits breastfeeding mothers childrens matrix reasoning peabody picture vocabulary testthird edition scores later waves results increased riskier wave 1 maternal alcohol consumption associated reductions matrix reasoning scores age 6 7 years children breastfed b 011 se 003 95 confidence interval 018 004 p 01 relationship evident infants never breastfed b 002 se 010 95 confidence interval 020 017 p 87 smoking lactation associated outcome variable conclusions exposing infants alcohol breastmilk may cause dosedependent reductions cognitive abilities reduction observed age 6 7 years sustained age 10 11 years although relationship small may clinically significant mothers consume alcohol regularly binge drink analyses assess relationships alcohol consumption tobacco smoking lactation academic developmental physical behavioral outcomes children