What are the 5 parameters that YO tests? December 22, 2024 21:12 Concentration Motility % Progressive Motility % Motile Sperm Concentration Progressive Motile Sperm Concentration Related articles Does YO report a full semen analysis? How accurate is the YO Home Sperm Test? Who can I contact if I have a question regarding the results? Should I collect my sample before starting the YO Home Sperm Test?