A first-degree relative is one's offspring, sibling or parent.[1] It constitutes a category of family members that largely overlaps with the term nuclear family, but without spouses.[2] First degree relatives are a common measure used to diagnose risks for common diseases by analyzing family history.[3]

See also[]


  1. ^ Talley, Nicholas (2007). Gastroenterology and Hepatology: A Clinical Handbook. p. 200. 
  2. ^ Reiss, David (1981). The Family's Construction of Reality. p. 276. 
  3. ^ Ginsburg, Geoffrey (2008). Genomic and Personalized Medicine, Volumes 1-2. p. 482. 

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