[Premature ejaculation].

Premature ejaculation (PE) is important in the sexual relations of couples. After emphasizing that certain PE are of curable etiology (eg. short frenum of prepuce), the different stage of PE are analyzed and classified as a function of the severity, and in consequence the reversibility, of the repercussions of the life of couples. A therapeutic technic is described that is based on the target proposed by Masters and Johnson.