What is erectile dysfunction?
Male erectile dysfunction is defined as the persistent inability to attain and maintain an erection sufficient to permit satisfactory sexual performance.
It used to be known as "impotence" but this term is nowadays rarely used.
Erectile dysfunction occurs in various forms:
- As a persistent and complete inability of attaining the erection;
- As innability of attaining a hard-enough erection to enable successfull penetration;
- As innability to maintain erection long enough for a successfull sexual intercourse.