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Pubertal development, including growth in penis length, continues through late adolescence, making it challenging to establish a precise average for 17-year-old males.
The best-published cross‑sectional study specifically reporting age 15 gives an average stretched penile length (SPL) of about 11.82 cm for 15‑year‑old boys (Soydan et al.) . However, multiple large s...
Puberty drives most of the visible and histologic changes in the vulva: rising estrogen and adrenal hormones thicken and keratinize vulvar epithelium, stimulate fat deposition and hair growth on the m...
Puberty ends when an individual completes the biological stages that lead to sexual maturity—clinically captured as Tanner Stage 5—most often in the mid-to-late teens, though the exact age varies wide...