| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 400 |
1.7%
|
| 2 | After period ended | 5077 |
21.8%
|
| 3 | Middle of the cycle | 5474 |
23.5%
|
| 4 | Before period begins | 1464 |
6.3%
|
| 5 | At any time | 6218 |
26.7%
|
| 6 | Other | 164 |
0.7%
|
| 8 | Don't know | 4521 |
19.4%
|