By Marc Goldstein, MD   The most common identifiable cause of infertility in men is a varicocele. Approximately one third of infertile men who have never fathered a child have a varicocele, and up to 80% of men who were once fertile, but are now infertile, also have a varicocele. ...

Most guys assume that they’re not shooting blanks. In other words, they assume they’re fertile. But the fact is that every year, about six million couples have problems conceiving a child – and the source of those problems is the man as often as it is the woman. A lot of ...

By Harry Fisch, MD Testosterone gels and other ways of boosting a man’s testosterone levels are all the rage at the moment. For the right man with the right condition – meaning a verified below-normal testosterone level – these therapies may help. But before jumping ...