| Value | Category | Cases | |
|---|---|---|---|
| 1 | during pregnancy | 306 |
11.8%
|
| 2 | during delivery | 280 |
10.8%
|
| 3 | during breastfeeding | 1907 |
73.8%
|
| 4 | don't know | 90 |
3.5%
|
| Sysmiss | 22189 |