Fig. 2

Hormone profiles of serum progesterone versus urinary β-pregnanediol (a) and serum versus urinary estradiol (b) in one premenopausal woman’s cycle. Metabolites of subject 2. Cr, creatinine; βPg, β-pregnanediol
Hormone profiles of serum progesterone versus urinary β-pregnanediol (a) and serum versus urinary estradiol (b) in one premenopausal woman’s cycle. Metabolites of subject 2. Cr, creatinine; βPg, β-pregnanediol