| Value |
Category |
| 1 |
Age |
| 2 |
Illness |
| 3 |
Salpingo-oophorectomy |
| 4 |
Have no periods after recent delivery |
| 5 |
Other |
| 6 |
I am pregnant now |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.