A "sperm donor" refers to a person who provides their sperm to help someone else have a baby. They donate their sperm to be used for artificial insemination or in-vitro fertilization (IVF). Full definition
The authors note that it is the first study to conduct an analysis of the effect of sperm donor age on live birth using a large national database. (sciencedaily.com)
I'm a known sperm donor for a lesbian couple (and have my own son through adoption) and have never met another donor, can't wait to read this! (mombian.com)
One study showed that lesbian moms were most likely to choose sperm donors who are willing to be contacted someday. (motherhoodinpointoffact.com)