{
  "resourceType": "Observation",
  "id": "menstrual-bleeding-example",
  "status": "final",
  "code": {
    "coding": [
      {
        "system": "https://cycle.fhir.me/CodeSystem/cycle",
        "code": "menstrual-bleeding",
        "display": "Menstrual bleeding"
      }
    ]
  },
  "effectiveDateTime": "2025-12-08",
  "valueBoolean": true
}