| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 129 |
0.7%
|
| 2 | after period ended | 1677 |
8.9%
|
| 3 | middle of the cycle | 3392 |
18.1%
|
| 4 | before period begins | 148 |
0.8%
|
| 5 | at any time | 973 |
5.2%
|
| 6 | other | 10 |
0.1%
|
| 8 | don't know | 12417 |
66.2%
|
| 9 | 8 |
0%
|