| Description: | Since January 1999 have you had a period or menstrual bleeding? - at age 57 years |
| Category: | Specialist questionnaire data ⏵ Womens health questionnaire ⏵ Menstrual cycle |
| Participants | 1,333 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2026 | |||
| Item count | 1,333 | Item Type | Data | Instances | Defined (1) | Version | N/A | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | dX oX sX |
