| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 223 |
1.7%
|
| 2 | after period ended | 4016 |
31.1%
|
| 3 | middle of the cycle | 3464 |
26.8%
|
| 4 | before period begins | 1296 |
10%
|
| 5 | at any time | 1954 |
15.1%
|
| 6 | other | 142 |
1.1%
|
| 8 | don't know | 1820 |
14.1%
|