description: The weight of the mother before becoming pregnant. Migrated from VRCL. package_name: hl7.fhir.us.bfdr derivation: constraint name: ObservationMotherPrepregnancyWeight type: Observation elements: code: short: Body weight --pre current pregnancy pattern: type: CodeableConcept value: coding: - {code: 56077-1, system: 'http://loinc.org'} index: 0 subject: type: Reference refers: ['http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-mother-vr'] index: 1 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: 7 valueQuantity: {type: Quantity, choiceOf: value, index: 4} value[x]: extensions: bypassEditFlag: {url: 'http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag', min: 0, max: 1, type: Extension, index: 5} elements: extension: type: Extension url: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag index: 5 slicing: slices: bypassEditFlag: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag', index: 5} min: 0 max: 1 package_version: 2.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/bfdr/StructureDefinition/Observation-mother-prepregnancy-weight base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-vital-signs version: 2.0.0-ballot required: [value, valueQuantity]