description: This profile represents pregnancy status, enabling investigators to determine if a patient was pregnant, possibly pregnant, not pregnant or whether the pregnancy status was unknown at a given point in time.
package_name: hl7.fhir.us.ph-library
derivation: constraint
name: USPublicHealthPregnancyStatusObservation
type: Observation
elements:
  extension:
    mustSupport: true
    index: 0
    slicing:
      rules: open
      discriminator:
      - {path: url, type: value}
      min: null
      slices:
        extensionPregnancyStatusDeterminationDate:
          match: {url: null}
          schema: {short: Pregnancy Status Determination Date, type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension', index: 1}
          min: 0
          max: 1
  subject:
    type: Reference
    refers: ['http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-patient']
    index: 2
  effective:
    short: (USCDI+) Pregnancy Status Recorded Date
    choices: []
    index: 4
  value:
    short: (USCDI+) Pregnancy Status
    choices: []
    index: 6
  method:
    short: (USCDI+) Pregnancy Status Determination Method
    binding: {strength: extensible, valueSet: 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.80|20240607'}
    mustSupport: true
    index: 7
  component:
    mustSupport: true
    index: 8
    slicing:
      rules: open
      discriminator:
      - {path: value, type: type}
      min: null
      slices:
        estimatedGestationalAgeOfPregnancy:
          match: {}
          schema:
            short: Estimated Gestational Age and related data
            mustSupport: true
            array: true
            index: 9
            extensions: {}
            elements:
              extension: {type: Extension, short: (USCDI+) Gestational Age Determination Date, mustSupport: true, url: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension', index: 10}
              code:
                short: (USCDI+) Gestational Age Determination Method (code includes method, if known)
                binding: {strength: extensible, valueSet: 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.82|20240608'}
                mustSupport: true
                index: 11
              value:
                short: (USCDI+) Gestational Age (estimated - days)
                mustSupport: true
                pattern:
                  type: Quantity
                  value: {unit: d}
                choices: [valueQuantity]
                type: Quantity
                index: 13
              valueQuantity:
                short: (USCDI+) Gestational Age (estimated - days)
                type: Quantity
                mustSupport: true
                pattern:
                  type: Quantity
                  value: {unit: d}
                choiceOf: value
                index: 14
            required: [value, valueQuantity]
        estimatedDateOfDelivery:
          match: {}
          schema:
            short: Estimated Date of Delivery (EDD) and releated data
            mustSupport: true
            array: true
            index: 15
            extensions: {}
            elements:
              extension: {type: Extension, short: Estimated Date of Delivery (EDD) Determination Date., mustSupport: true, url: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension', index: 16}
              code:
                short: (USCDI+) Estimated Date of Delivery Determination Method (code includes method, if known)
                binding: {strength: extensible, valueSet: 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.81|20240608'}
                mustSupport: true
                index: 17
              value:
                short: (USCDI+) Estimated Date of Delivery (EDD)
                mustSupport: true
                choices: [valueDateTime]
                index: 19
              valueDateTime: {type: dateTime, short: (USCDI+) Estimated Date of Delivery (EDD), mustSupport: true, choiceOf: value, index: 20}
            required: [value, valueDateTime]
package_version: 2.0.0-ballot
extensions:
  extensionPregnancyStatusDeterminationDate: {url: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-date-determined-extension', min: 0, max: 1, short: Pregnancy Status Determination Date, type: Extension, mustSupport: true, index: 1}
class: profile
kind: resource
url: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-pregnancy-status-observation
base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-pregnancystatus
version: 2.0.0-ballot