| Value | Category | Cases | |
|---|---|---|---|
| 1 | Any day of the cycle | 49 |
1%
|
| 2 | Right after her period has ended | 436 |
9.1%
|
| 3 | In the middle of the cycle | 4050 |
84.5%
|
| 4 | Just before her period begins | 189 |
3.9%
|
| 8 | Don't know | 69 |
1.4%
|
| Sysmiss | 2742 |