Table 3.

Reference intervals for estradiol (E2)

Estradiol (E2)a
Female, pg/ml (pmol/l)			Male, pg/ml (pmol/l)
0 to <6 years	n=50	<20–53 (<73.4–194.51)	0 to <19 years	n=132	<20–40 (<73.4–46.80)
6 to <11 years	n=103	<20–59 (<73.4–216.53)
11 to <15 years	n=61	<20–87 (<73.4–319.29)
15 to <19 years	n=55	<20–111 (<73.4–407.37)

Females and males ages newborn to 19 years old.

^aTo derive Estradiol pg/ml×3.67=pmol/l.