The sequence of appearance of terminal hair reflects the level of androgen sensitivity, with pubic hair being the first to appear due to the area's special sensitivity to androgen. The appearance of pubic hair in both sexes is usually seen as an indication of the start of a person's puberty. There is a sexual differentiation in the amount and distribution of androgenic hair, with men tending to have more terminal hair in more areas.
The timing of pubic hair emergence indicates androgen sensitivity, with pubic hair appearing first due to its heightened sensitivity to androgens. Pubic hair's presence is commonly associated with the onset of puberty. There are sexual variations in androgenic hair quantity and distribution, with men typically exhibiting more terminal hair across multiple regions.