This was a population-based, prospective cohort study of 1573 adults in Finland. Carotid intima-media thickness was assessed in 2001 (at ages 24-39 y) and in 2007. Participants were categorized as having had impaired fetal growth (term birth with birth weight<10th percentile for sex or preterm birth with birth weight<25th percentile for gestational age and sex; n = 193) or normal fetal growth (all other participants; n = 1380)