| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 462 |
2.1%
|
| 2 | After period ended | 8022 |
36.4%
|
| 3 | Middle of the cycle | 3962 |
18%
|
| 4 | Before period begins | 2063 |
9.3%
|
| 5 | At any time | 2493 |
11.3%
|
| 6 | Other | 99 |
0.4%
|
| 8 | Don't know | 4964 |
22.5%
|