Fetus

A human organism during the period of its development beginning on the 57th day following fertilization or creation, excluding any time during which its development has been suspended, and ending at birth.
Includes the Embryo: a human organism during the first 56 days of its development following fertilization or creation, excluding any time during which its development has been suspended.

Constraints

Unique key(s)

  • Fetus Identifier

Stereotype(s)

n/a

Attributes

AttributeTypeMultiplicityAttribute note
Fetus Identifier Identifier 1
An identifier for the fetus (e.g., Fetus A, Fetus B).
Fetus Sex Code Codeable Concept 0..1
Uniquely specifies the documented sex of the fetus. Value Set: Recorded Sex Or Gender in: https://www.cihi.ca/en/pan-canadian-gender-sex-and-sexual-orientation-data-standard

Relationships

From class From multiplicity Relationship To class To multiplicity
Patient Procedure 0..* performed on Fetus 0..*
Fetus 0..1 becomes Patient 0..1
Fetus 0..* associated with Patient Pregnancy 1
Fetus 0..* has Patient Health Concern 0..*
Fetus 0..1 subject of Diagnostic Report 0..*

Contact us

If you have questions about this initiative, would like to be added to our stakeholder notification list or would like to participate in our consultations, please email us.

connectedcare@cihi.ca

How to cite:

Canadian Institute for Health Information. Fetus. Accessed November 02, 2026.