Yes, it is necessary to cut both vas deferens to safely avoid pregnancy. If this were done unilaterally, the ejaculate would contain sperm from the non-vasectomized testicle.
Read the full article on: What is a vasectomy? The procedure its effectiveness explained ( 71).
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
