| Value | Category |
|---|---|
| 100 | 0 days |
| 127 | 27 days |
| 199 | Days, missing |
| 201 | 1 week |
| 208 | 8 weeks |
| 299 | Weeks, missing |
| 301 | 1 month |
| 318 | 18 months |
| 399 | Months, missing |
| 401 | 1 year |
| 410 | 10 years |
| 499 | Years, missing |
| 993 | Pregnant, not asked |
| 994 | In menopause |
| 995 | Before last birth |
| 996 | Never menstruated |
| 997 | Inconsistent |
| 998 | Don't know |