description: This Observation profile represents the date of the mother's last live born infant (do not include this birth). package_name: hl7.fhir.us.bfdr derivation: constraint name: ObservationDateOfLastLiveBirth type: Observation elements: code: short: Date last live birth mustSupport: true pattern: type: CodeableConcept value: coding: - {code: 68499-3, 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 value: short: Date of of last live birth mustSupport: true choices: [valueDateTime] index: 3 valueDateTime: {type: dateTime, short: Date of of last live birth, mustSupport: true, choiceOf: value, index: 4} package_version: 1.1.0 class: profile kind: resource url: http://hl7.org/fhir/us/bfdr/StructureDefinition/Observation-date-of-last-live-birth base: http://hl7.org/fhir/StructureDefinition/Observation version: 1.1.0 required: [valueDateTime, value, subject, code]