No, sperm donors require sperm of a higher quality than the quality needed to achieve a pregnancy naturally. Many sperm donor candidates are rejected, yet have no problem conceiving.
Read the full article on: What’s Being a Sperm Donor Like? – Things to Consider ( 38).

Laura Parra Villar
B.Sc., M.Sc.
Graduate in Biology from the University of Valencia (UV) and embryologist with a Master's degree in Biotechnology of Human Reproduction from the University of Valencia in collaboration with the Valencian Institute of Infertility (IVI).
Licence number: 3325-CV