The average volume of ejaculate is up to one teaspoon, and younger males tend to have more forceful ejaculations. Age, genetic features, and other factors can affect the volume and distance of ...

Whether the semen sample should be a centrifuged specimen remains unclear, as does the timing and number of semen analyses. Although many urologists obtain a semen analysis at six to eight weeks ...

NEW YORK (Reuters Health) - Overweight and obese men in a new study showed diminished quantity and quality of semen, suggesting that a weight problem might also affect fertility, researchers say. "The ...