Nutrition during pregnancy has become an integral component of prenata
l care. This review will focus on new topics and recent research on es
tablished areas, including the influence of caffeine on infertility, i
ntrauterine growth, prematurity, and fetal behaviours; anthropometric
factors influencing birthweight and maternal weight postpartum, and du
ring lactation; the cost-benefit of prenatal outcomes; and the influen
ce of smoking and individual nutrients, including n-3 fatty acids, vit
amin K, and folic acid, on reproductive outcome.