Sexual maturity rating (Tanner staging) of pubic hair and external genitalia development in males

Stages of pubic hair development in males:

Stage 1 – Prepubertal, with no pubic hair.
Stage 2 – Sparse, straight pubic hair along the base of the penis.
Stage 3 – Hair is darker, coarser, and curlier, extending over the mid-pubis.
Stage 4 – Hair is adult-like in appearance but does not extend to thighs.
Stage 5 – Hair is adult in appearance, extending from thigh to thigh.

Stages of external genitalia development in males:

Stage 1 – Prepubertal.
Stage 2 – Enlargement of testes and scrotum; scrotal skin reddens and changes in texture.
Stage 3 – Enlargement of penis (length at first); further growth of testes.
Stage 4 – Increased size of penis with growth in breadth and development of glans; testes and scrotum larger and scrotal skin darker.
Stage 5 – Adult genitalia.

Figure from: Roede MJ, van Wieringen JC. Growth diagrams 1980: Netherlands third nation-wide survey. Tijdschr Soc Gezondheids 1985; 63:1. Reproduced with permission from the author.

Graphic 80005 Version 8.0

خرید پکیج

Sexual maturity rating (Tanner staging) of pubic hair and external genitalia development in males