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Topic Outline
INTRODUCTION
Chronic pelvic pain (CPP) refers to pain of at least six months' duration that occurs below the umbilicus and is severe enough to cause functional disability or require treatment. In the United States, this problem accounts for approximately 10 percent of all ambulatory referrals to a gynecologist and is a common indication for diagnostic and therapeutic surgery [1]. It is considered the principal indication for approximately 20 percent of hysterectomies performed for benign disease and at least 40 percent of gynecological laparoscopies [2,3].
The causes of CPP will be reviewed here. Evaluation and treatment of this disorder are discussed separately. (See "Evaluation of chronic pelvic pain in women" and "Treatment of chronic pelvic pain in women".)
PREVALENCE
The prevalence of CPP ranges from 4 to 16 percent, but only about one-third of women with CPP seek medical care [4-7]. Representative examples of surveys that have attempted to determine the prevalence of CPP in specific populations are described below:
ETIOLOGY
Potential causes of CPP are listed in the table (table 2). The relative frequency of the various causes of CPP is significantly influenced by the local patient population, referral patterns, and specialty focus of the practice. In fact, one population-based study found that gastrointestinal and urologic problems were more common than gynecological conditions in women with CPP; gynecologic conditions accounted for approximately 20 percent of cases of CPP in this population [8].
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