A secular trend of earlier puberty has been observed in girls, and, although more uncertain in boys, is associated with an increasing trend in the prevalence of overweight and obesity. We aimed to compare the median ages of sexual maturation stages in schoolchildren from a city in southern Brazil over a 5-year period, according to weight status and type of school.

中文翻译：

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根据超重状况和学校类型在 5 年内评估巴西学童性成熟阶段的中位年龄：2007-2012/2013

在女孩中观察到青春期提前的长期趋势，虽然在男孩中更不确定，但与超重和肥胖患病率的增加趋势有关。我们的目的是根据体重状况和学校类型，比较巴西南部一座城市在 5 年内的学龄儿童性成熟阶段的中位年龄。