| Description: | During this/that last year were your periods regular? - at age 43 years |
| Category: | Questionnaire data ⏵ Health and medical history ⏵ Female-specific factors |
| Participants | 1,616 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2026 | |||
| Item count | 1,616 | Item Type | Data | Instances | Defined (1) | Version | N/A | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | dX oX sX |

