Journal of endocrinological investigation · 2026
Determinants of pubertal progression and final height in premature pubarche.
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Helvacioglu Didem, Canbaz Aylin Tugba, Eltan Mehmet, Cosar Feride, Turan Serap, Bereket Abdullah, Guran Tulay
Аннотация
BACKGROUND: Premature pubarche (PP), defined as the early onset of pubic hair and often associated with mild androgen excess, is a common reason for referral to a pediatric endocrinologist. A small proportion of cases may progress to central precocious puberty (CPP). Data on the factors determining pubertal tempo and associated growth outcomes in these individuals are limited.
OBJECTIVE: To identify predictors of pubertal progression and final height (FH) in girls with PP and to evaluate growth outcomes in those progressing to CPP.
DESIGN-METHODS: We retrospectively analyzed 88 girls with PP who attained FH; 13 progressed to CPP (PP-to-CPP). Auxological data, bone age (BA), pubertal development, and plasma androgen profiles were evaluated.
RESULTS: At presentation, corrected height SDS (CH-SDS) in girls with PP correlated with BA-SDS and BA/chronological age (BA/CA) ratio (p=0.03 and p=0.007). Corrected FH-SDS was positively associated with baseline CH-SDS in both PP and PP-to-CPP groups (p<0.001 and p=0.0002). Compared with PP, the PP-to-CPP group had higher baseline CH-SDS, BA-SDS and BA/CA ratio (all p=0.02). Baseline CH-SDS was the strongest independent predictor of corrected FH-SDS (p<0.001), while BMI-SDS showed a negative association (p=0.003). Baseline dehydroepiandrosterone-sulfate (DHEA-S) was not associated with CH-SDS, BA advancement, progression to CPP, or corrected FH-SDS in either group. Receiver operating characteristic (ROC) analyses for progression to CPP identified a BA/CA cutoff of 1.2; and a CH-SDS cutoff of 1.8 (p=0.01).
CONCLUSION: Growth relative to genetic potential and skeletal maturation at presentation were the strongest predictors of progression to CPP and FH outcomes in girls with PP. Although DHEA-S reflects adrenal maturation and early androgen exposure, baseline DHEA-S concentrations were not associated with progression to CPP or long-term growth outcomes in our cohort.
OBJECTIVE: To identify predictors of pubertal progression and final height (FH) in girls with PP and to evaluate growth outcomes in those progressing to CPP.
DESIGN-METHODS: We retrospectively analyzed 88 girls with PP who attained FH; 13 progressed to CPP (PP-to-CPP). Auxological data, bone age (BA), pubertal development, and plasma androgen profiles were evaluated.
RESULTS: At presentation, corrected height SDS (CH-SDS) in girls with PP correlated with BA-SDS and BA/chronological age (BA/CA) ratio (p=0.03 and p=0.007). Corrected FH-SDS was positively associated with baseline CH-SDS in both PP and PP-to-CPP groups (p<0.001 and p=0.0002). Compared with PP, the PP-to-CPP group had higher baseline CH-SDS, BA-SDS and BA/CA ratio (all p=0.02). Baseline CH-SDS was the strongest independent predictor of corrected FH-SDS (p<0.001), while BMI-SDS showed a negative association (p=0.003). Baseline dehydroepiandrosterone-sulfate (DHEA-S) was not associated with CH-SDS, BA advancement, progression to CPP, or corrected FH-SDS in either group. Receiver operating characteristic (ROC) analyses for progression to CPP identified a BA/CA cutoff of 1.2; and a CH-SDS cutoff of 1.8 (p=0.01).
CONCLUSION: Growth relative to genetic potential and skeletal maturation at presentation were the strongest predictors of progression to CPP and FH outcomes in girls with PP. Although DHEA-S reflects adrenal maturation and early androgen exposure, baseline DHEA-S concentrations were not associated with progression to CPP or long-term growth outcomes in our cohort.