The sperm quality of young men in Switzerland differs depending on where they live. Men from rural areas have poorer sperm quality than those from cities. +Get the most important news from Switzerland in your inbox This is the conclusion of a study published in September in the specialist journal Human Reproduction, according to Swiss public broadcaster SRF. For the study, a research team from the University of Geneva and the Swiss Federal Institute of Technology in Lausanne (EPFL) analysed sperm samples from 2,677 men aged between 18 and 22. These test subjects were recruited between 2005 and 2018 as part of compulsory military service. "Hotspot" is near Aarau The new analysis of the sperm revealed striking patterns: they found regions with comparatively good sperm quality and regions with poor sperm quality. The researchers refer to these as "hotspots" and "coldspots". They found that a "coldspot" region exists in central-western parts of Switzerland, where sperm quality was ...