Table 1.
Subject Characteristics.
| ID | Age | Day of Menstrual Cycle at Visit 1 | Days between Scans | Cycle Length | Contraceptive | Completed DWI |
| 1 | 25.0 | 3 | 2 | 28 | + | + |
| 2 | 24.9 | 7 | 2 | 28 | + | - |
| 3 | 26.5 | 7 | 57 | 28 | + | + |
| 4 | 38.8 | 7 | 2 | 28 | - | - |
| 5 | 28.4 | 12 | 2 | 28 | + | + |
| 6 | 27.3 | 10 | 69 | 35 | - | - |
| 7 | 40.6 | 8 | 9 | Irregular | - | - |
| 8 | 22.4 | 11 | 2 | Irregular | - | + |
| 9 | 21.8 | 10 | 2 | 30 | - | + |
| 10 | 42.8 | 13 | 2 | 31 | - | - |
| 11 | 31.6 | 9 | 2 | 30 | - | - |
| 12 | 21.9 | 5 | 9 | 20 | - | - |
| 13 | 45.1 | 12 | 2 | 30 | - | - |
| 14 | 29.8 | 2 | 2 | 27 | + | - |
| 15 | 24.8 | 6 | 37 | 25 | + | + |
| 16 | 26.9 | 10 | 2 | 26 | - | + |
| 17 | 37.6 | 13 | 27 | Irregular | - | + |
| 18 | 42.5 | 8 | 2 | 28 | - | + |