Does Fentanyl Affect Male Fertility?

Does Fentanyl Affect Male Fertility? Does fentanyl affect male fertility? While fentanyl, alfentanil and sufentanil can significantly decrease sperm motility at the same low concentration, and partially inhibit it at all concentrations. Does Suboxone affect sperm quality? Marijuana, heavy alcohol use and narcotics, including heroin, all can have negative effects on sperm and can affect