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Ovarian Cancer Risk

For women with an average risk

Chart showing 1 out of 100 women (average ovarian cancer risk)
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Most women have an average risk of ovarian cancer. About 1 out of 100 women will get ovarian cancer.

[Chart based on National Cancer Institute (2013). Ovarian Cancer Prevention PDQ—Health Professional Version. Available online: http://nci.nih.gov/cancertopics/pdq/prevention/ovarian/healthprofessional.]

For women who have one relative with ovarian cancer

Chart showing 5 out of 100 women (risk with ovarian cancer in one relative)
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If a woman in your family—such as a mother, a sister, or a daughter—has had ovarian cancer, your risk of getting it is a littler higher than women who don't have a family history of the disease. About 5 out of 100 women with a family relative who has had ovarian cancer will get this cancer.

[Chart based on National Cancer Institute (2013). Ovarian Cancer Prevention PDQ—Health Professional Version. Available online: http://nci.nih.gov/cancertopics/pdq/prevention/ovarian/healthprofessional.]

For women who have two or three relatives with ovarian cancer

Picture of 7 out of 100 women (risk with ovarian cancer in two or three relatives)
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If 2 or more relatives in your family have had ovarian cancer, your risk for getting it goes up. About 7 out of 100 women with 2 or more family relatives who have had ovarian cancer will get this cancer.

[Chart based on National Cancer Institute (2013). Ovarian Cancer Prevention PDQ—Health Professional Version. Available online: http://nci.nih.gov/cancertopics/pdq/prevention/ovarian/healthprofessional.]

For women who have BRCA1 gene changes

Chart showing 40 out of 100 women (risk with BRCA1 gene changes)
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Of the small number of women who get ovarian cancer, only a few will have inherited gene changes called BRCA1. The lifetime risk for getting ovarian cancer for these women is much higher than average. For these women, about 40 out of 100 women will get ovarian cancer.

[Chart based on Fleming GF, et al. (2009). Epithelial ovarian cancer. In RR Barakat et al., eds., Principles and Practice of Gynecologic Oncology, 5th ed., pp. 763–835. Philadelphia: Lippincott Williams and Wilkins.]

For women who have BRCA2 gene changes

Chart showing 20 out of 100 women (risk with BRCA2 gene changes)
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Of the small number of women who get ovarian cancer, only a few will have inherited gene changes called BRCA2. The lifetime risk of getting ovarian cancer for these women is also higher than average. For these women, about 20 out of 100 women will get ovarian cancer.

[Chart based on Fleming GF, et al. (2009). Epithelial ovarian cancer. In RR Barakat et al., eds., Principles and Practice of Gynecologic Oncology, 5th ed., pp. 763–835. Philadelphia: Lippincott Williams and Wilkins.]

By Healthwise Staff
Primary Medical Reviewer Sarah Marshall, MD - Family Medicine
Specialist Medical Reviewer Ross Berkowitz, MD - Obstetrics and Gynecology
Last Revised June 28, 2013

Last Revised: June 28, 2013

Author: Healthwise Staff

Medical Review: Sarah Marshall, MD - Family Medicine & Ross Berkowitz, MD - Obstetrics and Gynecology

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