Whether you're looking to conceive a child with your partner, or are just concerned about your sperm levels, science has published some interesting new research. A Chinese study has found that sperm collected after a man has already ejaculated swims fastest and is considerably more likely to fertilise an egg. Related: Want stronger sperm? You need some nuts. Similarly, sperm produced no more than minutes after a man last climaxed also bolsters the chance of successful IVF treatment. According to the research, the findings are a contradiction to the myth that it takes a man around 24 hours to replenish his reserves. Related: Does tight underwear actually damage your sperm?

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. On average, it takes a male around 74 days to produce new sperm from start to finish. Although the average time is 74 days , the actual time frame for an individual to make sperm can vary.

Try out PMC Labs and tell us what you think. Learn More. The aim of the study was to assess the effect of four repeated ejaculations on the same day at two-hour intervals on conventional and functional semen parameters. Furthermore, intracellular reactive oxygen ROS production, sperm DNA fragmentation and mitochondrial function were evaluated by flow cytometry.