“…Evidence of secular growth changes in Latin America has been mainly documented in Venezuela (Lo ´pez-Contreras Blanco et al, 1989), Me ´xico (Malina et al, 2008), Brazil (Castilho & Lahr, 2001;Marmo et al, 2004) and Chile (Kain et al, 2002;Lizana et al, 2011). In Argentina, studies of secular change have focused primarily on adult height and, with the exception of a study in poor urban children (Lomaglio et al, 1997), the country lacks serial data to analyse growth trends in height, weight, BMI or obesity.…”