<unk>  is classified into three groups: ischemic (low-flow), nonischemic (high-flow), and recurrent ischemic. The majority of cases (19 out of 20) are ischemic in nature. Some sources give a duration of four hours as a definition of<unk> , but others give six. "The duration of a normal erection before it is classifiable as<unk>  is still controversial. Ongoing penile erections for more than 6 hours can be classified as<unk> ."<unk>  in females (continued, painful erection of the clitoris) is significantly rarer than<unk>  in men and is known as clitoral<unk>  or clitorism. It is associated with persistent genital arousal disorder (PGAD). Only a few case reports of women experiencing clitoral<unk>  exist.
Priapism
Pseudophobia
Autophobia
Neophobia
Piquerism
Dysorgasmia
Hyperorgasmia
Dysmelia