Figure 3

Median, luteal and follicular values, uncorrected and corrected for creatinine. Median, luteal and follicular values, uncorrected (blue) and corrected for creatinine (red). Values are median (IQR). PDG:Cr, pregnanediol glucuronide corrected for creatinine, P4:Cr progesterone, corrected for creatinine; Architect: Abbott Architect progesterone chemiluminescent microparticle immunoassay. Cobas: Roche Cobas progesterone electrochemiluminescence immunoassay ***p < 0.0001 NS p > 0.05.