It may also act as a visual signal of adulthood, along with growing breasts and widening hips in girls and deeper chests and beards in boys.

• 随着女孩乳房的日益增大和臀部的加宽以及男孩胸部的加深和胡须的长出，阴毛也可能作为成年人的一种视觉信号。