Prolonged bike riding does not cause azoospermia, as long as you sit correctly while riding it. Moreover, you can use certain systems to protect your testicles.
Misusing the bicycle on a regular basis can increase the temperature of your scrotum, preventing sperm production and diminishing sperm quality.
It should be noted that too much vigorous exercise can affect sperm production aside from other body functions.
Read the full article on: What are the main causes of azoospermia? ( 63).
Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.