WHO Antenatal Care Guideline Implementation Guide
0.3.0 - CI Build
WHO Antenatal Care Guideline Implementation Guide
0.3.0 - CI Build
WHO Antenatal Care Guideline Implementation Guide, published by World Health Organization (WHO). This guide is not an authorized publication; it is the continuous build for version 0.3.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-anc/ and changes regularly. See the Directory of published versions
| Active as of 2025-06-24 |
<PlanDefinition xmlns="http://hl7.org/fhir">
<id value="ANCDT05"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<div>
<table class="grid dict">
<tr>
<th scope="row"><b>Id: </b></th>
<td style="padding-left: 4px;">ANCDT05</td>
</tr>
<tr>
<th scope="row"><b>Url: </b></th>
<td style="padding-left: 4px;"><a href="PlanDefinition-ANCDT05.html">ANC.DT.05 Evaluating labour</a></td>
</tr>
<tr>
<th scope="row"><b>Version: </b></th>
<td style="padding-left: 4px;">0.3.0</td>
</tr>
<tr>
<th scope="row">
<b>
Official
</b>
</th>
<td style="padding-left: 4px;">
<p style="margin-bottom: 5px;">
<span>ANC.DT.05</span>
</p>
</td>
</tr>
<tr>
<th scope="row"><b>Title: </b></th>
<td style="padding-left: 4px;">ANC.DT.05 Evaluating labour</td>
</tr>
<tr>
<th scope="row"><b>Type: </b></th>
<td style="padding-left: 4px;">
<p style="margin-bottom: 5px;">
<b>system: </b> <span><a href="http://terminology.hl7.org/6.4.0/CodeSystem-plan-definition-type.html">http://terminology.hl7.org/CodeSystem/plan-definition-type</a></span>
</p>
<p style="margin-bottom: 5px;">
<b>code: </b> <span>eca-rule</span>
</p>
</td>
</tr>
<tr>
<th scope="row"><b>Date: </b></th>
<td style="padding-left: 4px;">2025-06-24 13:58:48-0600</td>
</tr>
<tr>
<th scope="row"><b>Publisher: </b></th>
<td style="padding-left: 4px;">World Health Organization (WHO)</td>
</tr>
<tr>
<th scope="row"><b>Description: </b></th>
<td style="padding-left: 4px;"><div><p>During a cervical exam, if cervical dilation is greater than 2 cm evaluate the possibility of labour</p>
</div></td>
</tr>
<tr>
<th scope="row"><b>Use Context: </b></th>
<td style="padding-left: 4px;">
<table class="grid-dict">
<tr>
<th><b>code</b></th>
<th><b>value</b></th>
</tr>
<tr>
<td>task</td>
<td/>
</tr>
</table>
</td>
</tr>
<tr>
<th scope="row"><b>Jurisdiction: </b></th>
<td style="padding-left: 4px;">001</td>
</tr>
<tr>
<th scope="row"><b>Libraries: </b></th>
<td style="padding-left: 4px;">
<table class="grid-dict">
<tr>
<td><a href="Library-ANCDT05.html">ANC.DT.05 Evaluating labour</a></td>
</tr>
</table>
</td>
</tr>
<tr>
<th scope="row"><b>Actions: </b></th>
<td style="padding-left: 4px;">
<table class="grid-dict">
<tr>
<td>
<b> ANC.DT.05 Evaluating labour:</b>
<br/>
<b>When:</b>
<i>Named Event:</i> ANC.B8 Conduct physical exam
<br/>
<b>Then:</b>
<table class="grid-dict">
<tr>
<td>
Cervix is more than 2 cm dilated: check for other signs and symptoms of labour (if GA is 37 weeks or later)
<br/>
<b>If:</b>
<i>Applicability:</i>
("Cervical dilation" > 2 cm)
AND ("Gestational age" > 37 weeks)
<i>(Should Evaluate labour > 37 weeks)</i>
<br/>
</td>
</tr>
<tr>
<td>
Cervix is more than 2 cm dilated: check for other signs and symptoms of pre-term labour and other related complications (if GA is less than 37 weeks)
<br/>
<b>If:</b>
<i>Applicability:</i>
("Cervical dilation" > 2cm)
AND ("Gestational age" < 37 weeks)
<i>(Should Evaluate labour < 37 week)</i>
<br/>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div>
</div>
</text>
<contained>
<Library>
<id value="effective-data-requirements"/>
<name value="EffectiveDataRequirements"/>
<status value="active"/>
<type>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/library-type"/>
<code value="module-definition"/>
</coding>
</type>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library FHIRHelpers"/>
<resource value="http://smart.who.int/anc/Library/FHIRHelpers|4.0.1"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library ContactData"/>
<resource
value="http://smart.who.int/anc/Library/ANCContactDataElements"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library WC"/>
<resource value="http://smart.who.int/anc/Library/WHOCommon"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library Cx"/>
<resource value="http://smart.who.int/anc/Library/ANCConcepts"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Value set Cervical dilation"/>
<resource value="http://smart.who.int/anc/ValueSet/anc-b8-de93"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Value set Gestational age"/>
<resource value="http://smart.who.int/anc/ValueSet/anc-b6-de17"/>
</relatedArtifact>
<parameter>
<name value="encounter"/>
<use value="in"/>
<min value="0"/>
<max value="1"/>
<type value="string"/>
</parameter>
<parameter>
<name value="Should Evaluate labour < 37 week"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
<parameter>
<name value="Should Evaluate labour > 37 weeks"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
<dataRequirement>
<type value="Observation"/>
<profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
<mustSupport value="code"/>
<mustSupport value="status"/>
<mustSupport value="encounter"/>
<mustSupport value="encounter.reference"/>
<codeFilter>
<path value="code"/>
<valueSet value="http://smart.who.int/anc/ValueSet/anc-b8-de93"/>
</codeFilter>
</dataRequirement>
<dataRequirement>
<type value="Observation"/>
<profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
<mustSupport value="code"/>
<mustSupport value="status"/>
<mustSupport value="encounter"/>
<mustSupport value="encounter.reference"/>
<codeFilter>
<path value="code"/>
<valueSet value="http://smart.who.int/anc/ValueSet/anc-b6-de17"/>
</codeFilter>
</dataRequirement>
</Library>
</contained>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="ANCContactDataElements"/>
</extension>
<extension url="name">
<valueString value="Cervical dilation"/>
</extension>
<extension url="statement">
<valueString
value="/*
@dataElement: ANC.B8.DE93 Cervical dilation
@activity: ANC.B8 Physical exam
@description: If a cervical exam was done, how many centimeters is the cervix dilated?
*/
define "Cervical dilation":
WC.Only(
[Observation: Cx."Cervical dilation"] O
where O.status in { 'final', 'amended', 'corrected' }
and Coalesce(WC.ModifierExtension(O, 'who-notDone').value, false) is false
and Last(Split(O.encounter.reference, '/')) = Last(Split(encounter, '/'))
).value as FHIR.Quantity"/>
</extension>
<extension url="displaySequence">
<valueInteger value="0"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="ANCContactDataElements"/>
</extension>
<extension url="name">
<valueString value="Gestational age"/>
</extension>
<extension url="statement">
<valueString
value="/*
@dataElement: ANC.B6.DE17 Gestational age
@activity: ANC.B6 Profile
@description: Gestational age in weeks and/or days depending on the source of gestational age
*/
define "Gestational age":
WC.MostRecent(
[Observation: Cx."Gestational age"] O
where O.status in { 'final', 'amended', 'corrected' }
and Coalesce(WC.ModifierExtension(O, 'who-notDone').value, false) is false
and Last(Split(O.encounter.reference, '/')) = Last(Split(encounter, '/'))
).value as FHIR.Quantity"/>
</extension>
<extension url="displaySequence">
<valueInteger value="1"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="ANCDT05"/>
</extension>
<extension url="name">
<valueString value="Should Evaluate labour < 37 week"/>
</extension>
<extension url="statement">
<valueString
value="/*
("Cervical dilation" > 2cm)
AND ("Gestational age" < 37 weeks)
*/
define "Should Evaluate labour < 37 week":
ContactData."Cervical dilation" > 2 'cm'
and ContactData."Gestational age" < 37 'weeks'"/>
</extension>
<extension url="displaySequence">
<valueInteger value="2"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="ANCDT05"/>
</extension>
<extension url="name">
<valueString value="Should Evaluate labour > 37 weeks"/>
</extension>
<extension url="statement">
<valueString
value="/*
("Cervical dilation" > 2 cm)
AND ("Gestational age" > 37 weeks)
*/
define "Should Evaluate labour > 37 weeks":
ContactData."Cervical dilation" > 2 'cm'
and ContactData."Gestational age" >= 37 'weeks'"/>
</extension>
<extension url="displaySequence">
<valueInteger value="3"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToQuantity"/>
</extension>
<extension url="statement">
<valueString
value="define function ToQuantity(quantity FHIR.Quantity):
case
when quantity is null then null
when quantity.value is null then null
when quantity.comparator is not null then
Message(null, true, 'FHIRHelpers.ToQuantity.ComparatorQuantityNotSupported', 'Error', 'FHIR Quantity value has a comparator and cannot be converted to a System.Quantity value.')
when quantity.system is null or quantity.system.value = 'http://unitsofmeasure.org'
or quantity.system.value = 'http://hl7.org/fhirpath/CodeSystem/calendar-units' then
System.Quantity { value: quantity.value.value, unit: ToCalendarUnit(Coalesce(quantity.code.value, quantity.unit.value, '1')) }
else
Message(null, true, 'FHIRHelpers.ToQuantity.InvalidFHIRQuantity', 'Error', 'Invalid FHIR Quantity code: ' & quantity.unit.value & ' (' & quantity.system.value & '|' & quantity.code.value & ')')
end"/>
</extension>
<extension url="displaySequence">
<valueInteger value="4"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToCalendarUnit"/>
</extension>
<extension url="statement">
<valueString
value="define function ToCalendarUnit(unit System.String):
case unit
when 'ms' then 'millisecond'
when 's' then 'second'
when 'min' then 'minute'
when 'h' then 'hour'
when 'd' then 'day'
when 'wk' then 'week'
when 'mo' then 'month'
when 'a' then 'year'
else unit
end"/>
</extension>
<extension url="displaySequence">
<valueInteger value="5"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="WHOCommon"/>
</extension>
<extension url="name">
<valueString value="Only"/>
</extension>
<extension url="statement">
<valueString
value="define function Only(observations List<Observation>):
singleton from observations"/>
</extension>
<extension url="displaySequence">
<valueInteger value="6"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToString"/>
</extension>
<extension url="statement">
<valueString
value="define function ToString(value ObservationStatus): value.value"/>
</extension>
<extension url="displaySequence">
<valueInteger value="7"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToBoolean"/>
</extension>
<extension url="statement">
<valueString
value="define function ToBoolean(value boolean): value.value"/>
</extension>
<extension url="displaySequence">
<valueInteger value="8"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="WHOCommon"/>
</extension>
<extension url="name">
<valueString value="ModifierExtension"/>
</extension>
<extension url="statement">
<valueString
value="/*
@description: Returns the single WHO core modifier extension (if present) on the given resource with the specified id.
@comment: This function uses singleton from to ensure that a run-time exception is thrown if there
is more than one extension on the given resource with the specified url.
*/
define function ModifierExtension(domainResource DomainResource, id String):
singleton from ModifierExtensions(domainResource, id)"/>
</extension>
<extension url="displaySequence">
<valueInteger value="9"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="WHOCommon"/>
</extension>
<extension url="name">
<valueString value="ModifierExtensions"/>
</extension>
<extension url="statement">
<valueString
value="/*
@description: Returns any WHO core modifier extensions defined on the given resource with the specified id.
@comment: NOTE: Extensions are not the preferred approach, but are used as a way to access
content that is defined by extensions but not yet surfaced in the
CQL model info.
*/
define function ModifierExtensions(domainResource DomainResource, id String):
domainResource.modifierExtension E
where E.url = ('http://fhir.org/guides/who/core/StructureDefinition/' + id)
return E"/>
</extension>
<extension url="displaySequence">
<valueInteger value="10"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToString"/>
</extension>
<extension url="statement">
<valueString value="define function ToString(value uri): value.value"/>
</extension>
<extension url="displaySequence">
<valueInteger value="11"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="FHIRHelpers"/>
</extension>
<extension url="name">
<valueString value="ToString"/>
</extension>
<extension url="statement">
<valueString
value="define function ToString(value string): value.value"/>
</extension>
<extension url="displaySequence">
<valueInteger value="12"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="WHOCommon"/>
</extension>
<extension url="name">
<valueString value="MostRecent"/>
</extension>
<extension url="statement">
<valueString
value="define function MostRecent(observations List<Observation>):
Last(
observations O
sort by issued
)"/>
</extension>
<extension url="displaySequence">
<valueInteger value="13"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-effectiveDataRequirements" id="effective-data-requirements">
<valueCanonical value="#effective-data-requirements"/>
</extension>
<extension
url="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-softwaresystem">
<valueReference>🔗
<reference value="Device/cqf-tooling"/>
</valueReference>
</extension>
<url value="http://smart.who.int/anc/PlanDefinition/ANCDT05"/>
<identifier>
<use value="official"/>
<value value="ANC.DT.05"/>
</identifier>
<version value="0.3.0"/>
<name value="ANCDT05"/>
<title value="ANC.DT.05 Evaluating labour"/>
<type>
<coding>
<system
value="http://terminology.hl7.org/CodeSystem/plan-definition-type"/>
<code value="eca-rule"/>
</coding>
</type>
<status value="active"/>
<experimental value="false"/>
<date value="2025-06-24T13:58:48-06:00"/>
<publisher value="World Health Organization (WHO)"/>
<contact>
<telecom>
<system value="url"/>
<value value="https://www.who.int"/>
</telecom>
</contact>
<description
value="During a cervical exam, if cervical dilation is greater than 2 cm evaluate the possibility of labour"/>
<useContext>
<code>
<system
value="http://terminology.hl7.org/CodeSystem/usage-context-type"/>
<code value="task"/>
<display value="Workflow Task"/>
</code>
<valueCodeableConcept>
<coding>
<system value="http://smart.who.int/anc/CodeSystem/activity-codes"/>
<code value="ANC.B8"/>
<display value="Conduct physical exam"/>
</coding>
</valueCodeableConcept>
</useContext>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
</coding>
</jurisdiction>
<library value="http://smart.who.int/anc/Library/ANCDT05"/>
<action>
<title value="ANC.DT.05 Evaluating labour"/>
<trigger>
<type value="named-event"/>
<name value="ANC.B8 Conduct physical exam"/>
</trigger>
<action id="1">
<title value="Evaluate labour > 37 weeks"/>
<description value="Evaluate labour > 37 weeks"/>
<textEquivalent
value="Cervix is more than 2 cm dilated: check for other signs and symptoms of labour (if GA is 37 weeks or later)"/>
<documentation>
<type value="citation"/>
<label
value="Pregnancy, childbirth, postpartum and newborn care guide (IMPAC) (2015) (1)"/>
</documentation>
<condition>
<kind value="applicability"/>
<expression>
<description
value="("Cervical dilation" > 2 cm)
AND ("Gestational age" > 37 weeks)"/>
<language value="text/cql-identifier"/>
<expression value="Should Evaluate labour > 37 weeks"/>
</expression>
</condition>
</action>
<action id="2">
<title value="Evaluate labour < 37 week"/>
<description value="Evaluate labour < 37 week"/>
<textEquivalent
value="Cervix is more than 2 cm dilated: check for other signs and symptoms of pre-term labour and other related complications (if GA is less than 37 weeks)"/>
<documentation>
<type value="citation"/>
<label
value="Pregnancy, childbirth, postpartum and newborn care guide (IMPAC) (2015) (1)"/>
</documentation>
<condition>
<kind value="applicability"/>
<expression>
<description
value="("Cervical dilation" > 2cm)
AND ("Gestational age" < 37 weeks)"/>
<language value="text/cql-identifier"/>
<expression value="Should Evaluate labour < 37 week"/>
</expression>
</condition>
</action>
</action>
</PlanDefinition>