| Value | Category | Cases | |
|---|---|---|---|
| 1 | During her period | 350 |
1.6%
|
| 2 | After period ended | 7681 |
34.1%
|
| 3 | Middle of the cycle | 4769 |
21.2%
|
| 4 | Before period begins | 2986 |
13.3%
|
| 5 | At any time | 2664 |
11.8%
|
| 6 | Other | 24 |
0.1%
|
| 8 | Don't know | 4045 |
18%
|
| 9 | 15 |