Actually, it takes some time for sperm to disappear fully from the vasa deferentia. It is estimated that, by 10 weeks, 85% of men will have no sperm in the ejaculate.
Read the full article on: Post Vasectomy Semen Analysis – How Many Tests to Confirm Sterility? ( 58).
Zaira Salvador
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
