EHDS Logical Information Models
0.4.0 - draft

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.4.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/ and changes regularly. See the Directory of published versions

Logical Model: EHDSPregnancyHistory - Detailed Descriptions

Draft as of 2026-02-22

Definitions for the EHDSPregnancyHistory logical model.

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSPregnancyHistory
Definition

Pregnancy history for one pregnancy


Base definition for all types defined in FHIR type system.

ShortPregnancy history modelBase for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSPregnancyHistory.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSPregnancyHistory.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSPregnancyHistory.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSPregnancyHistory.header.author[x]
Definition

Author of this observation

ShortAuthor of this observation
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSPregnancyHistory.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSPregnancyHistory.header.status
Definition

Status of this observation

ShortStatus of this observation
Control1..1
TypeCodeableConcept
14. EHDSPregnancyHistory.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSPregnancyHistory.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSPregnancyHistory.endDate
Definition

The end date of the pregnancy.

ShortThe end date of the pregnancy.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

20. EHDSPregnancyHistory.outcome
Definition

The outcome of the pregnancy.

ShortThe outcome of the pregnancy.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS

22. EHDSPregnancyHistory.numberOfFetuses
Definition

Number of children/fetuses in this specific pregnancy

ShortNumber of children/fetuses in this specific pregnancy
Control0..1
Typeinteger
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

24. EHDSPregnancyHistory.note
Definition

Free text notes by the health professional

ShortFree text notes by the health professional
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSPregnancyHistory
Definition

Pregnancy history for one pregnancy

ShortPregnancy history model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSPregnancyHistory.header
4. EHDSPregnancyHistory.header.author[x]
Definition

Author of this observation

ShortAuthor of this observation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
6. EHDSPregnancyHistory.header.status
Definition

Status of this observation

ShortStatus of this observation
8. EHDSPregnancyHistory.endDate
Definition

The end date of the pregnancy.

ShortThe end date of the pregnancy.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

10. EHDSPregnancyHistory.outcome
Definition

The outcome of the pregnancy.

ShortThe outcome of the pregnancy.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS

12. EHDSPregnancyHistory.numberOfFetuses
Definition

Number of children/fetuses in this specific pregnancy

ShortNumber of children/fetuses in this specific pregnancy
Control0..1
Typeinteger
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

14. EHDSPregnancyHistory.note
Definition

Free text notes by the health professional

ShortFree text notes by the health professional
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSPregnancyHistory
Definition

Pregnancy history for one pregnancy

ShortPregnancy history model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSPregnancyHistory.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSPregnancyHistory.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSPregnancyHistory.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSPregnancyHistory.header.author[x]
Definition

Author of this observation

ShortAuthor of this observation
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSPregnancyHistory.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSPregnancyHistory.header.status
Definition

Status of this observation

ShortStatus of this observation
Control1..1
TypeCodeableConcept
14. EHDSPregnancyHistory.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSPregnancyHistory.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSPregnancyHistory.endDate
Definition

The end date of the pregnancy.

ShortThe end date of the pregnancy.
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

20. EHDSPregnancyHistory.outcome
Definition

The outcome of the pregnancy.

ShortThe outcome of the pregnancy.
Control0..1
Binding

SNOMED CT

TypeCodeableConcept
Requirements

eHN PS Guideline, ISO IPS

22. EHDSPregnancyHistory.numberOfFetuses
Definition

Number of children/fetuses in this specific pregnancy

ShortNumber of children/fetuses in this specific pregnancy
Control0..1
Typeinteger
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS

24. EHDSPregnancyHistory.note
Definition

Free text notes by the health professional

ShortFree text notes by the health professional
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, ISO IPS