| Description: | If in the last few years or in the last few years of your period you noticed it was more regular or less regular, when did you first notice this change (1999 Self-completion)? - at age 53 years |
| Category: | Specialist questionnaire data ⏵ Womens health questionnaire ⏵ Menstrual cycle |
| Participants | 380 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2026 | |||
| Item count | 380 | Item Type | Data | Instances | Defined (1) | Version | N/A | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | dX oX sX |
