| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 232 |
2.6%
|
| 2 | After period ended | 1803 |
20.2%
|
| 3 | Middle of the cycle | 1399 |
15.7%
|
| 4 | Before period begins | 2379 |
26.7%
|
| 5 | At any time | 1274 |
14.3%
|
| 6 | Other | 5 |
0.1%
|
| 8 | Don't know | 1821 |
20.4%
|