This section contains the Sexual Dysfunctions, the Paraphilias, and the Gender Identity Disorders. The Sexual Dysfunctions are characterized by disturbance in sexual desire and in the psychophysiological changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. The Sexual Dysfunctions include Sexual Desire Disorders (i.e., Hypoactive Sexual Desire Disorder, Sexual Aversion Disorder), Sexual Arousal Disorders (i.e., Female Sexual Arousal Disorder, Male Erectile Disorder), Orgasmic Disorders (i.e., Female Orgasmic Disorder, Male Orgasmic Disorder, Premature Ejaculation), Sexual Pain Disorders (i.e., Dyspareunia, Vaginismus), Sexual Dysfunction Due to a General Medical Condition, Substance-Induced Sexual Dysfunction, and Sexual Dysfunction Not Otherwise Specified.