| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 318 |
2.5%
|
| 2 | after period ended | 3742 |
29%
|
| 3 | middle of the cycle | 3092 |
23.9%
|
| 4 | before period begins | 1413 |
10.9%
|
| 5 | at any time | 2186 |
16.9%
|
| 6 | other | 130 |
1%
|
| 8 | don't know | 2034 |
15.7%
|