AUG 15, 2026 · JOURNAL ARTICLE
The association between pubertal timing and diurnal cortisol activity in middle adolescence.
Stress
Prospective cohort study with adequate sample size showing a specific association between early menarche and cortisol awakening response in girls, but limited by cross-sectional cortisol measurement, modest effect size, and no effect in boys.
Reported
Sample size914
Sex distribution54.70% female
Regression coefficient (girls, co…−.003