| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 236 |
3.3%
|
| 2 | After period ended | 2337 |
32.5%
|
| 3 | Middle of the cycle | 1136 |
15.8%
|
| 4 | Before period begins | 2676 |
37.3%
|
| 5 | At any time | 423 |
5.9%
|
| 6 | Other | 4 |
0.1%
|
| 8 | Don't know | 371 |
5.2%
|
| 9 | 15 |