| Value | Category | Cases | |
|---|---|---|---|
| 1 | Just before menstruation period begins | 20 |
7.2%
|
| 2 | During menstruation period | 18 |
6.5%
|
| 3 | Right after menstruation period has ended | 78 |
28.3%
|
| 4 | Halfway between two periods | 149 |
54%
|
| 6 | Other | 1 |
0.4%
|
| 8 | DK | 10 |
3.6%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 523 |