From:  Seminal fructose and citric acid concentrations relative to sperm parameters among men for fertility evaluation in Yaoundé, Cameroon

2010 WHO reference values for normal sperm parameters

ParameterLower reference limit 2010
Semen volume1.5 mL
Sperm concentration15 × 106 spermatozoa/mL
Total sperm number39 × 106 spermatozoa/ejaculate
Progressive motility32%
Total motility40%
Vitality (live sperms)58%
Sperm morphology4%
pH≥ 7.2
Leucocyte< 1 × 106 leucocytes/mL
Mixed antiglobulin reaction (MAR)/immunobead test< 50%