| Value | Category | Cases | |
|---|---|---|---|
| 1 | <4weeks | 0 |
0%
|
| 2 | >4weeks | 1 |
16.7%
|
| 3 | Before pregnancy | 2 |
33.3%
|
| 4 | Unknown | 3 |
50%
|
| Sysmiss | 22 |