| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 1001 |
2.6%
|
| 2 | after period ended | 10660 |
27.5%
|
| 3 | middle of the cycle | 10270 |
26.5%
|
| 4 | before period begins | 4107 |
10.6%
|
| 5 | at any time | 5987 |
15.5%
|
| 6 | other | 376 |
1%
|
| 8 | don't know | 6317 |
16.3%
|