| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 126 |
2.1%
|
| 2 | After period ended | 1958 |
32.2%
|
| 3 | Middle of the cycle | 1296 |
21.3%
|
| 4 | Before period begins | 830 |
13.7%
|
| 5 | At any time | 748 |
12.3%
|
| 6 | Other | 11 |
0.2%
|
| 8 | Don't know | 1105 |
18.2%
|
| 9 | 5 |