Peak progesterone levels (ng/ml) as a function of menstrual cycle length during cocaine self-administration and withdrawal
| Normal Menstrual Cycles | Short Menstrual Cycles | Long Menstrual Cycles | |||
|---|---|---|---|---|---|
| Ovulatory | Anovulatory | Ovulatory | Anovulatory | Ovulatory | Anovulatory |
| Cocaine self-administration | |||||
| 13.54 ± 0.5 | 4.13 ± 0.5 | 11.62 ± 0.8 | 2.04 ± 0.6 | 14.68 ± 1.3 | 3.09 ± 0.6 |
| Cocaine withdrawal | |||||
| 15.02 ± 1.0 | 4.59 ± 0.8 | 16.06 ± 1.7 | Below assay sensitivity | 13.48 ± 1.0 | 4.47 ± 1.3 |