Aims: To establish reference values of semen parameters in a residential, geographic, and age representative sample of healthy Chinese men.
Methods: From a national study of 1,191 healthy Chinese men, semen samples were analyzed from 105 subjects whose wives or partners were pregnant within the 12 months prior to the date when the semen sample was taken.
Results: The means, fifth percentiles, and percentages lower than the WHO criteria for semen parameters were, respectively: 75.