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Updated: May 17, 2026

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
Published on: October 13, 2018
[Premature pubarche is not always an innocent phenomenon]
Manouk Backes1, Nitash Zwaveling-Soonawala, Gerdine A Kamp
1Tergooiziekenhuizen, afd. Kindergeneeskunde, Blaricum en Hilversum, the Netherlands.
Premature pubarche, early pubic hair growth, is often benign premature adrenarche but can signal serious conditions. Evaluation is key for timely diagnosis and treatment of underlying causes in children.
Area of Science:
- Pediatric Endocrinology
- Adrenal Disorders
- Androgen Excess
Background:
- Premature pubarche (PP) is early pubic hair development before age 8 (girls) or 9 (boys).
- It's frequently due to premature adrenarche, a benign increase in adrenal androgen synthesis.
- However, PP can indicate significant pathology requiring investigation.
Observation:
- This study details 3 girls (ages 5-8) presenting with premature pubarche.
- Diagnoses included premature adrenarche, non-classical congenital adrenal hyperplasia (NCAH), and adrenal adenoma.
- Diagnostic methods involved monitoring growth, bone age, and serum androgens (DHEAS, androstenedione, testosterone, 17-hydroxyprogesterone).
Findings:
- Premature adrenarche requires no intervention.
- Non-classical congenital adrenal hyperplasia was managed with hydrocortisone therapy.
- Adrenal adenoma, a rare but severe cause, necessitated surgical resection.
Implications:
- Prompt evaluation of premature pubarche is crucial to differentiate benign causes from serious conditions.
- Alarm symptoms include rapid pubic hair progression, accelerated growth, and advanced bone age.
- Accurate diagnosis guides appropriate management, from observation to medical or surgical intervention.
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