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Mean (±SEM) estradiol and progesterone values by menstrual cycle phase in women.
| Early follicular (EF) | Late follicular (LF) | Luteal (LUT) | |
|---|---|---|---|
| Estradiol (pg/ml)a | 23.25(0.92) | 44.27(3.82) | 54.75 (3.26) |
| Progesterone (pg/ml)b | 0.17 (0.02) | 0.18 (0.04) | 13.77 (1.1) |
Main effect of menstrual cycle phase, p < .0001: EF < LF < LUT.
Main effect of menstrual cycle phase, p < .0001: EF = LF < LUT.
