1. Total testosterone and free testosterone levels by sex and age.

Tests of blood: normal findings
	Free testosterone pg/mL
Age/Tanner stage	Male	Female
Postmenopausal		0.6‐3.8
7 months‐9 years (Tanner stage I)	≤ 3.7	< 2.2
10‐13 years (Tanner stage II)	0.3‐21	0.4‐4.5
14‐15 years (Tanner stage III)	1.0‐98	1.3‐7.5
16‐17 years (Tanner stage IV)	35.0‐196	1.1‐15.5
18‐19 years (Tanner stage V)	41.0‐239	0.8‐9.2
	Free testosterone %
Adult male	1.6‐2.9
Adult female	0.1‐0.3
	Total testosterone ng/dL
	Male	Female
7 months‐9 years (Tanner stage I)	< 30	< 30
10‐13 years (Tanner stage II)	< 300	< 40
14‐15 years (Tanner stage III)	170‐540	< 60
16‐19 years (Tanner stage IV, V)	250‐910	< 70
20 years and over	280‐1080	< 70
	Dihydrotestosterone
Adult male	240‐650 pg/mL
Adult female	≤ 300 pg/mL

Total testosterone and free testosterone levels by sex and age (Pagana 2015).