Pregnanetriol, or 5β-pregnane-3α,17α,20α-triol, is a steroid and inactive metabolite of progesterone.

Urine testing

Urine excretion of pregnanetriol can be measured over a period of 24 hours. Elevated urine pregnanetriol levels suggest adrenogenital syndrome. In monitoring treatment with cortisol replacement, elevated urine pregnanetriol levels indicate insufficient dosage of cortisol.

Pregnanetriol

Reference ranges

For females:

Pregnanetriol

0 to 5 years: < 0.1 mg/24 hours

6 to 9 years: < 0.3 mg/24 hours

10 to 15 years: 0.1 to 0.6 mg/24 hours

16 years and older: 0 to 1.4 mg/ 24 hours.

Pregnanetriol

For males:

0 to 5 years: < 0.1 mg/24 hours

6 to 9 years: < 0.3 mg/24 hours

10 to 15 years: 0.2 to 0.6 mg/24 hours

16 years and older: 0.2 to 2 mg/ 24 hours

See also

Pregnanetriolone

References

5β-Pregnanes

Human metabolites