Description: When was your last period? (Include current period if bleeding now) - if you cannot remember the month and year give the age at the time
This is a flat (unstructured) list which uses integers to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
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| Coding | Meaning |
|---|---|
| 38 | 38 |
| 42 | 42 |
| 43 | 43 |
| 44 | 44 |
| 45 | 45 |
| 46 | 46 |
| 48 | 48 |
| 50 | 50 |
| 52 | 52 |
| 53 | 53 |
| 54 | 54 |
| 55 | 55 |
| 56 | 56 |
| 57 | 57 |
| Field ID | Description | Category |
|---|---|---|
| 20070 | When was your last period? (Include current period if bleeding now) - if you cannot remember the month and year give the age at the time | Menstrual cycle |
National Survey of Health and Development 1946 Cohort