Despite the fact that it has long been a major concern for men, an evidence-based definition for premature ejaculation has not existed until now. In October 2007, the International Society for Sexual Medicine (ISSM) gathered the world’s leading sexual health experts to develop an evidence-based definition of premature ejaculation. Experts presented the definition to reporters in a special press conference on May 19th

at the 103rd Annual Scientific Meeting of the American Urological Association

The ISSM has defined premature ejaculation as “a male sexual dysfunction characterized by ejaculation which always or nearly always occurs prior to or within about one minute of vaginal penetration; and, inability to delay ejaculation on all or nearly all vaginal penetrations;

“For something that has such a profound effect on men young and old, there needs to be a definitive measure to diagnose premature ejaculation,”

said Ira D. Sharlip, M.D.,