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High‐risk factors in gynecologic cancer

Cervical cancer retains its character as a venereal disease associated with infections and multiple sexual partners, but poverty also is important. Precise incidence figures for cervical and endometrial cancer are almost nonexistent because in areas with precise case counts there is rarely accurate knowledge of hysterectomy prevalence. For endometrial cancer little recent attention has been paid to any risk factor except exogenous estrogen. It is now suggested that a low pregnancy rate is a cause, not a consequence, of ovarian pathology leading to cancer. Some progress has been made in separating the epidemiologies of various kinds of ovarian and uterine cancer. A few clues are available regarding the epidemiology of fallopian tube cancers and vaginal cancers other than those produced by maternal stilbesterol. Vulvar cancer becomes common only after the age of 75 and so has been neglected epidemiologically.