Sexual dysfunction refers to a problem during any phase of the sexual response cycle that prevents the woman from experiencing satisfaction from the sexual activity. The sexual response cycle has four phases: excitement, plateau, orgasm and resolution. Many physical and/or medical conditions can cause problems with sexual function. These conditions include diabetes, heart disease, neurological disorders, hormonal imbalances, menopause, chronic diseases such as kidney or liver failure, and alcoholism and drug abuse. In addition, the side effects of certain medications, including some antidepressants drugs, can affect sexual desire and function. Psychological causes like work-related stress and anxiety, concern about sexual performance, marital or relationship problems, depression, feelings of guilt, and the effects of a past sexual trauma.