| Value | Category | Cases | |
|---|---|---|---|
| 0 | No flag | 3020 |
98.8%
|
| 1 | > interval | 22 |
0.7%
|
| 2 | > interval by 1 mnth | 13 |
0.4%
|
| 4 | During preg in cal. | 3 |
0.1%
|