| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1st trimester only (12 weeks or less) | 68 |
37.8%
|
| 2 | 1st and 2nd trimester (more than 12 weeks to 22 weeks) | 96 |
53.3%
|
| 3 | More than 22 weeks to 28 weeks | 13 |
7.2%
|
| 98 | Don't know | 1 |
0.6%
|
| 99 | No response | 2 |
1.1%
|
| Sysmiss | 504 |