Developmental stage (age in years)	Anatomic drawing	Tanner stage
		Breast development	Pubic hair development
Initial growth acceleration (8 to 10)	Elevation of papilla only; no pubic hair	1	1
Thelarche (9 to 11)	See adrenarche for stage 2 development	2	1
Adrenarche (9 to 11)		2	2
Peak growth (11 to 13)		3	3
Menarche (12 to 14)		4	4
Adult characteristics (13 to 16)		5	5