HL7 Europe Patient Summary
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## EHDSCurrentPregnancy Mapping

EHDSCurrentPregnancy -> Pregnancy Observations
Ongoing alignment: The Xt-EHR logical models are under active revision and continuous refinement. Updates from Xt-EHR will be progressively incorporated into this Implementation Guide to maintain alignment with the evolving EHDS specifications.
Yellow row/cells: In this ballot publication, some row/cells of the mapping table have been left in yellow to indicate areas requiring further review or refinement; including feedback from the Xt-EHR joint action (see note above). These highlights will be addressed in subsequent updates to ensure accuracy and completeness of the mappings.

### EHDSCurrentPregnancy -> Pregnancy Observations

This page explains how conceptual elements from the EHDS logical model are expressed in the corresponding FHIR pregnancy Observation profiles used by this Implementation Guide.

Mapping Context

- Source logical model: EHDSCurrentPregnancy
- Target FHIR profile: ObservationPregnancyStatusEuEps
- Target FHIR profile: ObservationPregnancyEddEuEps
- Target FHIR profile: ObservationPregnancyGestationalAgeEuEps

EHDSCurrentPregnancy -> Pregnancy Observations
EHDSCurrentPregnancy (Logical Model) | Relationship | Pregnancy Observations ObservationPregnancyStatusEuEps | ObservationPregnancyEddEuEps | ObservationPregnancyGestationalAgeEuEps
--- | --- | ---
Element | Description | Relation | Resource | Element | Description | Notes
header | Common header for all patient-related data. | related-to | Observation | . | General metadata. | Dataset-level; not usually carried in Observation as-is.
header.subject | Patient/subject this pregnancy data is about. | equivalent | Observation | subject | Reference to the patient or subject of the observation. |
header.identifier | Business identifier for the object. | equivalent | Observation | identifier | Business identifier for this observation. |
header.author[x] | Author of this observation. | related-to | Observation | performer | Who is responsible for the observation. |
header.date | Date and time of authoring/issuing. | equivalent | Observation | issued | When the observation result was issued. |
header.status | Status of this observation. | equivalent | Observation | status | Registered | preliminary | final | amended | ... |
header.source | Source of information (e.g. patient, patient's proxy). | related-to | Observation | note | Additional context about information provenance. | Observation has no direct informationSource element. Here proposed to use note element to carry source information.
header.language | Language of the resource (IETF tag). | equivalent | Observation | language | Language used in the observation. |
currentPregnancyStatus | Current state of the pregnancy at the date the observation was made. | equivalent | Observation | valueCodeableConcept | Pregnancy status value. |
dateOfStatus | Effective date of the current pregnancy status. | equivalent | Observation | effectiveDateTime | Date/time of the status assessment. |
expectedDateOfDelivery | Date in which the woman is due to give birth. | equivalent | Observation | valueDateTime | Expected delivery date. | Represented as a separate EDD observation (linked via hasMember).
gestationalAge | Gestational age - duration of the pregnancy on the day of observation. | equivalent | Observation | valueQuantity | Gestational age value. | Represented as a separate gestational age observation.
note | Free text notes by the health professional regarding the current pregnancy. | equivalent | Observation | note.text | Additional notes. |

Return to overview: EHDS Logical Models -> FHIR Profiles