The quality of the semen sample delivered by the sperm must be over the normal values and prove to be capable of recover from and survive after the thawing process.
Read the full article on: Choosing a sperm donor in Spain ( 84).
By Andrea Rodrigo B.Sc., M.Sc. (embryologist) and Sandra Fernández B.A., M.A. (fertility counselor).
Last Update: 02/24/2016