| Event date from VitalEvent | date | The date on which the vital event (birth, death, marriage, etc.) occurred. Distinct from the registration date, which is when the event was recorded by a registration authority. |
| Event date estimated from VitalEvent | boolean | Whether the event date is an estimate rather than a known exact date. Common for late-registered births or deaths where the precise date is not documented. |
| Event location from VitalEvent | concept:Location | The specific place where the vital event occurred (for example, the hospital of birth or the place of death). Distinct from the registration location, which is where the event was recorded. |
| Registration date from VitalEvent | date | The date on which the vital event was officially registered with the civil registration authority. May be later than the event date, especially for late registrations. |
| Registration location from VitalEvent | concept:Location | The civil registration office where the vital event was registered. Often a municipal or district-level registry distinct from the place of occurrence. |
| Registration type from VitalEvent | string (crvs/registration-type) | The regime under which the registration was processed: current (within the legal window), late, court-ordered, or reconstruction of a lost record. Affects legal weight and downstream uses. |
| Registrar from VitalEvent | concept:crvs/Person includes Parent | The civil registration officer who recorded the event. In many jurisdictions this is the officer whose signature appears on the acte. |
| Informant from VitalEvent | concept:crvs/Person includes Parent | The person who declares the vital event to the civil registration authority. Typically a parent for births, a relative or medical professional for deaths, or the parties themselves for marriages. |
| Registration status from VitalEvent | string (crvs/registration-status) | The lifecycle state of the registration process for this vital event: whether it is declared, pending validation, registered, rejected, cancelled, or has been corrected or archived. |
| Identifiers from Event | concept:Identifier | Identifiers carried by this entity, such as national ID numbers, program IDs, or identifiers asserted by an identity document. |
| Parents | concept:crvs/Parent | The parents of the child, each captured as a Parent link entity that combines a Person with a parental role-nature (biological, gestational, legal, or adoptive). |
| Place type | string (crvs/place-type) | The category of place where the vital event occurred (health facility, home, en route, etc.). Complements the specific Location by describing what kind of setting it was. |
| Attendant at birth | string (crvs/birth-attendant) | The type of person who attended the delivery (physician, midwife, nurse, traditional birth attendant, other, or none). Used as a proxy for safe delivery in health statistics. |
| Gestational age | integer | The completed weeks of gestation at the time of the event. Used for fetal death and birth records to distinguish viability and to apply the ICD-PM mortality classification. |
| Weight | decimal | The weight of the fetus at the time of a fetal death, recorded in grams. Combined with gestational age, used to classify viability and stillbirth type. |
| Cause of fetal death | string | A free-text description of the cause of a fetal death. Captured alongside cause_of_fetal_death_code when an ICD-PM or equivalent code is assigned. |
| Cause of fetal death code | string | The coded cause of a fetal death, typically an ICD-PM (Perinatal Mortality) code. The coding system is specified by cause_of_fetal_death_coding_system. |
| Cause of fetal death coding system | string | The classification system used to code the cause of a fetal death (for example ICD-PM, ICD-10, or a national variant). |
| Medical certifier | concept:crvs/Person includes Parent | The medical practitioner who certified the cause of death. Distinct from the registrar, who records the death with the civil registration authority. |