| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 277 |
7.7%
|
| 2 | After period ended | 954 |
26.7%
|
| 3 | Middle of the cycle | 662 |
18.5%
|
| 4 | Before period begins | 731 |
20.4%
|
| 5 | At any time | 134 |
3.7%
|
| 6 | Other | 9 |
0.3%
|
| 8 | Don't know | 808 |
22.6%
|