<unk>  is difficulty experienced by an individual or partners during any stage of normal<unk>  activity, including physical pleasure, desire, preference, arousal, or orgasm. The World Health Organization defines<unk>  as a "person's inability to participate in a<unk>  relationship as they would wish". This definition is broad and is subject to many interpretations. A diagnosis of<unk>  under the DSM-5 requires a person to feel extreme distress and interpersonal strain for a minimum of six months (except for substance- or medication-induced<unk> .<unk>  can have a profound impact on an individual's perceived quality of<unk>  life. The term<unk>  disorder may not only refer to physical<unk> , but to paraphilias as well; this is sometimes termed disorder of<unk>  preference. A thorough<unk>  history and assessment of general health and other<unk>  problems (if any) are important when assessing<unk> , because it is usually correlated with other psychiatric issues, such as mood disorders, eating and anxiety disorders, and schizophrenia. Assessing performance anxiety, guilt, stress, and worry are integral to the optimal management of<unk> . Many of the<unk> s that are defined are based on the human<unk>  response cycle proposed by William H. Masters and Virginia E. Johnson, and modified by Helen Singer Kaplan.
Sexual dysfunction
Irregular menstruation
Ejaculation disorders
Urinary incontinence
Erectile dysfunction
Dyspareunia
Anorectal disorder
Delayed ejaculation