| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 1 | A (postpartum amenorrhea) | 2625 |
47%
|
| 2 | M (menstruation returned) | 299 |
5.4%
|
| 3 | B (month of birth) | 285 |
5.1%
|
| 4 | P (pregnant) | 2326 |
41.7%
|
| 5 | T (month of pregnancy termination) | 49 |
0.9%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 29728 |