Abstract
Using data from the Human Connectome Project in Development (N = 1304; ages 5-21 years; 50% male; 59% White, 17% Hispanic, 13% Black, 9% Asian), multiple measures (self-report, salivary hormones) and research designs (longitudinal, cross-sectional) were used to characterize age-related changes and sex differences in pubertal development. Both sexes exhibit a sigmoid trajectory of pubertal development; females show earlier pubertal timing and increased tempo ~9-13 years, while males show greater tempo ~14-18 years. All hormones increased with age, with sex differences in testosterone and DHEA levels and in testosterone rates of change. Higher testosterone and DHEA corresponded with earlier pubertal timing in both sexes. These findings characterize typical pubertal and hormonal development and inform best practices for handling puberty data.
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