| Value | Category | Cases | |
|---|---|---|---|
| 0 | No flag | 419 |
91.3%
|
| 1 | > interval | 23 |
5%
|
| 2 | > interval by 1 mnth | 3 |
0.7%
|
| 4 | During preg in cal. | 14 |
3.1%
|