OVARIAN CANCER

INCIDENCE AND EPIDEMIOLOGY

Annually in the United States, about 22,530 new cases are found and 13,980 women die of ovarian cancer. Incidence begins to rise in the fifth decade, peaking in the eighth decade. Risk is increased in nulliparous women and reduced by pregnancy (risk decreased about 10% per pregnancy) and oral contraceptives. About 5% of cases are familial.

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