Sexual maturity rating (Tanner staging) of pubic hair development in females

Stages of development in pubic hair in females.

Stage 1: Prepubertal with no pubic hair.

Stage 2: Sparse, straight hair along the lateral vulva.

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 the thighs.

Stage 5: Hair is adult in appearance, extending from thigh to thigh.