Seasonality of birth weight in Chile: environmental and socioeconomic factors.


PURPOSE Research suggests a relationship between birth weight and season of birth, but findings vary across countries and underlying factors are not well understood. We examine the seasonality of birth weight and explore alternative hypotheses for its etiology-exposure to environmental factors and varying socioeconomic composition of mothers-in Chile… (More)
DOI: 10.1016/j.annepidem.2010.08.005