Table 1. Age and sperm parameters.
Parameters	Mean±SD
Age (years)	31.5±4.9
Volume (mL)	2.9±1.3
pH	7.9±0.3
Sperm concentration (million/mL)	89.4±59.2
Total motility (%)	69.5±12.2
Progressive motility (%)	62.9±12.9
Normal morphology (%)	8.1±3.4