What Is Considered a Second Degree Relative

Listen to pronunciation. (SEH-kund-deh-GREE REH-luh-tiv) The aunts, uncles, grandparents, grandchildren, nieces, nephews, or half-siblings of an individual.

What are 1st 2nd and 3rd degree relatives?

(ii) Second-degree relatives include an individual’s grandparents, grandchildren, uncles, aunts, nephews, nieces, and half-siblings. (iii) Third-degree relatives include an individual’s great-grandparents, great grandchildren, great uncles/aunts, and first cousins.

What is 1st or 2nd degree relative?

Use in clinical context Second degree relatives in a genetic family history are identified as those individuals with one other family member between them e.g. grandparent and grandchild, half siblings, aunt/uncle and niece/nephew.