| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 205 |
5.9%
|
| 2 | After period ended | 862 |
24.9%
|
| 3 | Middle of the cycle | 517 |
15%
|
| 4 | Before period begins | 804 |
23.3%
|
| 5 | At any time | 306 |
8.9%
|
| 6 | Other | 24 |
0.7%
|
| 8 | Don't know | 739 |
21.4%
|
| 9 | 8 |