Hormone Reference value Median(confidence interval) Adequation Estrogen (pg/mL) 13.0-146.0a 38.05 (27.0-49.1) adequate: 77.14%below: 22.86% Progesterone (ng/mL) 4.9-18.8a 12.9(7.4-18.4) adequate:60.53% below: 23.68% high: 15.79% Insulin (µU/mL) 0.7-9.0b 2.82 (1.65-3.65) adequate: 80.55% below: 13.89% high: 5.56% Ghrelin (pg/mL) ND*c 178.11 (144.63-262.7) ND*

*ND: Not Determined; aCommercial Kit: DIAsource E2-EASIA; bCommercial Kit: AccuBind® ELISA - Monoblind Inc; cCommercial Kit: Human Ghrelin (total) Millipore.

Table 3: Serum progesterone, estrogen, insulin, and ghrelin level in the luteal phase of the menstrual cycle.