| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 319 |
0.8%
|
| 2 | after period ended | 12664 |
32.9%
|
| 3 | middle of the cycle | 7513 |
19.5%
|
| 4 | before period begins | 8561 |
22.3%
|
| 5 | at any time | 4849 |
12.6%
|
| 6 | other | 81 |
0.2%
|
| 8 | don't know | 4459 |
11.6%
|