Age			Reference Interval
Sex	Low	High	Component	Low	High	Units	Note
F	0	6 M		<	517	Picomole/Litre
M	0	6 M		172	2064	Picomole/Litre
F	7 M	9 YRS		<	103	Picomole/Litre
M	7 M	10 YRS		<	103	Picomole/Litre
M	11	18 YRS
F	10	18 YRS
F	>=	19 YRS		138	757	Picomole/Litre
M	>=	19 YRS		1032	2924	Picomole/Litre

	Age
Sex	Low	High	Component
F	0	6 M
M	0	6 M
F	7 M	9 YRS
M	7 M	10 YRS
M	11	18 YRS
F	10	18 YRS
F	>=	19 YRS
M	>=	19 YRS

Reference Interval
Low	High	Units	Note
<	517	Picomole/Litre
172	2064	Picomole/Litre
<	103	Picomole/Litre
<	103	Picomole/Litre
138	757	Picomole/Litre
1032	2924	Picomole/Litre

1(1)

Levels decrease during the first month to
<103 pmol/L and remain there until puberty.

2(2)

Levels decrease rapidly the first week,
then increase to 413-2924 pmol/L
between 30-60 days.
Levels then decrease gradually to
prepubertal values by seven months.

5(3)

Tanner Stage I: <103 pmol/L
Tanner Stage II: 103 - 585 pmol/L
Tanner Stage III: 275 -1135 pmol/L
Tanner Stage IV: 757 -1789 pmol/L
Tanner Stage V: 826 - 2236 pmol/L

6(4)

Tanner Stage I: <103 pmol/L
Tanner Stage II: 172 - 413 pmol/L
Tanner Stage III: 241 - 654 pmol/L
Tanner Stage IV: 138 - 447 pmol/L
Tanner Stage V: 103 -619 pmol/L