Endocrine disruptors threatens semen quality (IMAGE) Université de Genève Caption Endocrine disruptors, such as certain pesticides, heavy metals and phthalates, are associated with poorer sperm quality in men in adulthood, if the mother was exposed to them during pregnancy. Credit © UNIGE Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.