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  • Title: Dehydroepiandrosterone sulphate levels at 7 years old are positively associated with more advanced pubertal development between 10 and 13 years old in girls.
    Author: Santos-Silva R, Fontoura M, Severo M, Santos AC.
    Journal: Clin Endocrinol (Oxf); 2022 Dec; 97(6):747-754. PubMed ID: 35918802.
    Abstract:
    OBJECTIVE: We aimed to explore the association between dehydroepiandrosterone sulphate (DHEAS) levels at age 7, pubertal development between ages 10 and 13, and age at menarche. DESIGN AND PARTICIPANTS: This is a longitudinal study of 603 individuals (301 girls, 302 boys) from the Generation XXI cohort. MEASUREMENTS: Evaluation of the participants at ages 7, 10 and 13 included anthropometry and Tanner staging. Pubertal development between ages 10 and 13 was categorized using latent class analysis, based on Tanner stages. The association between DHEAS at age 7 and pubertal development between ages 10 and 13 was conducted with binomial logistic regression, adjusted for BMI z-score. The variation of age at menarche in relation to DHEAS levels at age 7, controlling for maternal age at menarche, birth weight z-score and BMI z-score, was estimated fitting a linear regression model. RESULTS: Pubertal development at ages 10-13 was categorized into two classes-Class 1 had a higher probability for the lower Tanner stage (less advanced sexual maturation) and Class 2 had a higher probability for the higher Tanner stage (more advanced sexual maturation). In girls, taking Class 1 as a reference, Class 2 was positively associated with BMI z-score and DHEAS. In boys, Class 2 was positively associated with BMI, but not with DHEAS. DHEAS levels at age 7 were negatively associated with age at menarche, after adjustment for maternal age at menarche, birth weight and BMI. CONCLUSION: In girls, but not in boys, DHEAS at age 7 was positively associated with more advanced pubertal development between ages 10 and 13, and with earlier age at menarche.
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