| قيمة | فئة | حالات | |
|---|---|---|---|
| 1 | Just before her period begins | 592 |
1.3%
|
| 2 | During her period | 394 |
0.9%
|
| 3 | Right after her period has ended | 25282 |
56.4%
|
| 4 | Halfway between two periods | 17306 |
38.6%
|
| 6 | Other | 164 |
0.4%
|
| 8 | Don't know | 1086 |
2.4%
|
| Sysmiss | 14666 |