| Value | Category | Cases | |
|---|---|---|---|
| 1 | First 3 months of pregnancy | 197 |
65.9%
|
| 2 | 3-6 months of pregnancy | 94 |
31.4%
|
| 3 | 6 or more months of pregnancy | 8 |
2.7%
|
| 8 | DK | 0 |
0%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 1610 |