| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 day cycle | 597 |
47.4%
|
| 2 | 29 - 35 day cycle | 12 |
1%
|
| 3 | Irregular | 213 |
16.9%
|
| 4 | Amenorrhea | 437 |
34.7%
|
| 96 | Other (specify) | 1 |
0.1%
|
| Sysmiss | 2197 |