There is no evidence to suggest sperm counts are declining – despite people believing otherwise.
After analysing data from the world’s largest sperm bank in Denmark, researchers found the average sperm concentration – the number of sperms per millilitre of semen – did not change between 2017 and 2022.
However, the team said they did see a fall in high quality ‘swimming’ sperm numbers starting around the year 2020, when lockdowns had an impact on men’s diet and physical activity.
Professor Allan Pacey, study author from the University of Manchester, said that low sperm motility, where sperms are not able to swim…
