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Donor Conception Terminology

  Donor Conception  

Conception using donated sperm, eggs, or embryos.

 Donor-Conceived Person (DCP) 

An individual conceived using donated gametes or embryos.

  Sperm Donor  

A person who provides sperm for use in assisted reproduction.

  Egg Donor (Oocyte Donor)  

A person who provides eggs for assisted reproduction.

  Embryo Donation  

Transfer of an embryo created by one individual or couple to another for pregnancy.

  Double (Gamete) Donation  

Conception using both donor sperm and donor eggs.

  Known Donor  

A donor who is personally known to the recipient prior to conception.

  Anonymous Donor  

A donor whose identity is not disclosed to recipient parents or offspring at the time of treatment (subject to legal and technological limitations).

  Open-Identity Donor  

A donor who consents to the future release of identifying information to donor-conceived offspring.

  Intended Parent(s)  

Individual(s) who initiate or consent to assisted reproduction with the intention of becoming the legal and social parent(s) of a resulting child.

  Recipient Parent(s)  

Individual(s) who receive donor gametes or embryos in order to conceive and raise a child.

  Donor Sibling/Dibling  

An individual who shares a donor as a genetic parent.

  Non-Paternity Event (NPE)  

A discovery that a presumed biological father is not genetically related to the individual.

  Misattributed Parentage  

A broader term describing discrepancies between assumed and biological parentage.

  Late Discovery  

An individual who learns in adolescence or adulthood about being donor-conceived.

  Consanguinity Risk  

Risk of unintended relationships between genetically related individuals due to shared donor origin.

  Identity-Release System  

A regulatory framework in which donor identities may be disclosed once offspring reach a specified age.

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