| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | calendar | 30 |
34.1%
|
| 2 | body temperature | 2 |
2.3%
|
| 3 | cervical mucus | 3 |
3.4%
|
| 4 | body temp. & mucus | 0 |
0%
|
| 5 | no specific system | 52 |
59.1%
|
| 6 | other | 1 |
1.1%
|
| Sysmiss | 1551 |