| Value | Category | Cases | |
|---|---|---|---|
| 1 | First 3 months of pregnancy | 126 |
76.8%
|
| 2 | 3-6 months of pregnancy | 32 |
19.5%
|
| 3 | 6 or more months of pregnancy | 6 |
3.7%
|
| 8 | DK | 0 |
0%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 765 |