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The definition of sexual dysfunctions varies across disciplines and over time. The Diagnostic and Statistical Manual of Mental Disorders (DSM) nomenclature and criteria for sexual dysfunctions has evolved since their inclusion in the first edition of the DSM in 1952. The revisions in the DSM-5, published in 2013, were aimed at clarifying the diagnostic criteria for specific sexual dysfunctions. The DSM-5 classification of sexual dysfunctions was simplified, and gender-specific sexual dysfunctions were added. The essential features of sexual dysfunctions are a disturbance in the sexual response cycle or experiencing pain associated with sexual intercourse.

Epidemiology

Sexual dysfunction is thought to be highly prevalent in both men and women; however, prevalence rates vary depending on the definition of sexual dysfunction, the age group studied, and the methodology. ...

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