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[Growth of girls and boys at puberty].

Growth at puberty varies according to age and individual maturity. Changes in height and weight of girls (aged 10 to 16 years) and boys (aged 11 to 17 years) which participate in a follow-up study at northern metropolitan Santiago, Chile, are described. Sexual maturity seems more determinant than chronological age on weight and height at puberty. For instance height of the whole sample of boys from 12 to 15.5 years of age ranged from 141 to 164 cm in contrast to 147 to 160 for those of the same age range but in the third stage of public hair development (Tanner). Sexual maturity should be taken into account for appropriate growth evaluation at puberty.