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.