Discussion Our data show that image content can have an impact on men's semen quality. Plus, get free weekly content and more. The time restriction was imposed to minimize the risk of semen deterioration prior to analysis. Environment, lifestyle and infertility—an inter-generational issue. Women are born with all the eggs they'll ever have. It's the price of monogamy, Dr.
Arizona, USA A single male sperm cell.
A single male sperm cell.
The sperm cell leader. Ability and inability to reproduce and fertilize because of sterility and infertility. Share Collections to anyone by email or to other Shutterstock users. The human female usually produces a single large egg from the ovary, while the male releases some million much smaller sperm. On the one hand, if viewing images of two males and one female was perceived in the context of sperm competition risk we would have expected an increase in sperm concentration Parker et al.