description: The total number of prenatal visits for the mother. The dates of the first and last prenatal visit are indicated by the effective date range. If the mother received no prenatal care, the value should indicate 0 visits. Migrated from VRCL. package_name: hl7.fhir.us.bfdr derivation: constraint name: ObservationNumberPrenatalVisits type: Observation elements: code: short: 'Prenatal visits for this pregnancy #' mustSupport: true pattern: type: CodeableConcept value: coding: - {code: 68493-6, system: 'http://loinc.org'} index: 0 subject: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-mother-vr'] index: 1 effective: mustSupport: true choices: [effectiveDateTime] index: 3 effectiveDateTime: {type: dateTime, mustSupport: true, choiceOf: effective, index: 4} value: extensions: {} elements: extension: elements: value: short: To reflect the relevant edit possibilities for pregnancy report of Education, Mother's height, Mother's pre-pregnancy weight and Prenatal care visit number and also to reflect the relevant edit possibilities for pregnancy status of Female decedent. choices: [] index: 11 valueInteger: {type: integer, mustSupport: true, choiceOf: value, index: 7} value[x]: extensions: bypassEditFlag: {url: 'http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag', min: 0, max: 1, type: Extension, index: 9} elements: extension: index: 8 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: bypassEditFlag: match: {url: null} schema: {type: Extension, url: 'http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag', index: 9} min: 0 max: 1 package_version: 2.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/bfdr/StructureDefinition/Observation-number-prenatal-visits base: http://hl7.org/fhir/StructureDefinition/Observation version: 2.0.0-ballot required: [value, subject, valueInteger]