What is Progesterone (Dried Urine, GCMS)?
GCMS measures urinary progesterone metabolites (predominantly pregnanediol-3-glucuronide), which integrate corpus luteum output over hours. Creatinine normalisation adjusts for hydration.
Biomarker Reference · P₄
Progesterone (Dried Urine, GCMS) (P₄) is a clinical biomarker used in thyroid-endocrine assessment. GCMS measures urinary progesterone metabolites (predominantly pregnanediol-3-glucuronide), which integrate corpus luteum output over hours. It is measured in 1 laboratory test on BiomarkersLabs.com.
GCMS measures urinary progesterone metabolites (predominantly pregnanediol-3-glucuronide), which integrate corpus luteum output over hours. Creatinine normalisation adjusts for hydration.
Dried urine progesterone reflects luteal adequacy, helps confirm ovulation, and assesses progesterone therapy absorption and metabolism in a way that avoids the venous-draw timing challenges of serum measurement.
Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.
1 test on BiomarkersLabs.com include this biomarker.
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