The main reason why intended parents often prefer a family member to be their sperm or egg donor is because they feel the child will be generically "closer" to them.
By Andrea Rodrigo B.Sc., M.Sc. (embryologist), Rebeca Reus BSc, MSc (embryologist) and Sandra Fernández B.A., M.A. (fertility counselor).
Last Update: 06/09/2016