<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://hl7.org/fhir/ips/StructureDefinition/observation-pregnancy-status-uv-ips" />
  <name value="Observation-pregnancy-status-uv-ips" />
  <status value="draft" />
  <date value="2018-03-20T11:00:52.49+01:00" />
  <description value="This profile constrains the Observation resource to represent the pregnancy status." />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.code">
      <path value="Observation.code" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
        <profile value="http://hl7.org/fhir/ips/StructureDefinition/CodeableConcept-uv-ips" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <fixedUri value="http://loinc.org" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <fixedCode value="82810-3" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/ips/StructureDefinition/patient-uv-ips" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject.identifier">
      <path value="Observation.subject.identifier" />
      <max value="0" />
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.valueBoolean:valueBoolean">
      <path value="Observation.valueBoolean" />
      <sliceName value="valueBoolean" />
      <type>
        <code value="boolean" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange">
      <path value="Observation.referenceRange" />
      <max value="0" />
    </element>
    <element id="Observation.related">
      <path value="Observation.related" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="type" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.related:hasMember">
      <path value="Observation.related" />
      <sliceName value="hasMember" />
      <short value="Expected Delivery Date" />
      <definition value="A  reference to the Expected Delivery Date Observation." />
    </element>
    <element id="Observation.related:hasMember.type">
      <path value="Observation.related.type" />
      <fixedCode value="has-member" />
    </element>
    <element id="Observation.related:hasMember.target">
      <path value="Observation.related.target" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/ips/StructureDefinition/observation-pregnancy-edd-uv-ips" />
      </type>
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>