It means that a percentage greater than 60% of the spermatozoa in the semen sample analyzed are immotile or have motility problems. The qualifier discrete refers to the fact that it is not a very high percentage or well above the reference value.
Read the full article on: What is asthenozoospermia? – definition, causes and treatment ( 89).

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.