Table 1.
Approximate Estimates of Plasma Concentrations of Steroids and Their Sulfates in Human Adults
| Steroid | Males | Premenopausal Females | Postmenopausal Females |
|---|---|---|---|
| Cholesterol | 0–1 nmol/L | 0–1 nmol/L | 0–1 nmol/L |
| Cholesterol sulfate | 0–3 μmol/L | 0–3 μmol/L | 0–3 nmol/L |
| Pregnenolone | 1–15 nmol/L | 1–15 nmol/L | 1–15 nmol/L |
| Pregnenolone sulfate | 200–1000 nmol/L | 100–1000 nmol/L | 10–500 nmol/L |
| DHEA | 10–25 nmol/L | 5–30 nmol/L | 2–20 nmol/L |
| DHEAS | 2–10 μmol/L | 1–8 μmol/L | 1–6 μmol/L |
| Androsterone | 2–4 nmol/L | 2–4 nmol/L | |
| Androsterone sulfate | 0–5 μmol/L | 0–1 μmol/L | |
| E1 | 30–140 pmol/L | 15–500 pmol/L | 10–120 pmol/L |
| E1S | 2–4 nmol/L | 2–5 nmol/L | 0.5–2 pmol/L |
| E2 | 20–40 pmol/L | 5–1000 pmol/L | 5–80 pmol/L |
| Progesterone | 0–0.4 nmol/L | 0–80 nmol/L | 0–0.4 nmol/L |
| T | 5–25 nmol/L | 0.2–2 nmol/L | 0.2–1 nmol/L |
| DHT | 850–3500 pmol/L | 80–1300 pmol/L | 30–650 pmol/L |
| DHTS | 50–100 nmol/L |
Where values are missing, not enough sufficient evidence is available to provide accurate estimates.