da Silva Magalhães EI, et al. - In this analysis, researchers assessed the adulthood association of maternal smoking with offspring body composition during pregnancy and investigated the causality of this association. In 1982 and 1993, all newborn infants in the city’s hospitals were recruited. In 1982 and 1993, respectively, the prevalence of maternal smoking during pregnancy was 35.1% and 32.6%. Offspring of smoking mothers exhibited higher mean BMI, fat mass index, android to gynoid fat ratio, waist circumference, waist to height ratio and lean mass index, whereas height was lower. Findings suggested an association of maternal smoking in pregnancy with offspring body composition measures in adulthood.