Vaginismus is the involuntary tightening of pelvic floor muscles surrounding the vaginal entrance which makes penetration painful or impossible, and is thought to have psychological causes
Female Orgasmic Disorder (FOD) is the persistent inability to achieve orgasm despite the presence of arousal, and is thought to have mainly psychological/behavioural causes
Female Sexual Interest/Arousal Disorder (FSI/AD) is the reduction or absence of sexual interest or physical arousal, and is thought to have both physical and psychological causes
