There are many problems that can keep a woman from enjoying sex. They include
These problems may have physical or psychological causes. Physical causes may include conditions like diabetes, heart disease, nerve disorders, or hormone problems. Some drugs can also affect desire and function. Psychological causes may include work-related stress and anxiety. They may also include depression or concerns about marriage or relationship problems. For some women, the problem results from past sexual trauma.
Occasional problems with sexual function are common. If problems last more than a few months or cause distress for you or your partner, you should see your health care provider.
References and abstracts from MEDLINE/PubMed (National Library of Medicine)