Summary: Iranian women who have had an induced abortion have a 62% increased risk for breast cancer.

Women with a history of induced abortions have a higher risk of developing breast cancer.

  • According to a report in the Asian Pacific Journal of Cancer Prevention, breast cancer is the most common form of cancer among Iranian women. A study was conducted among women living north of Iran in order to determine the major risk factors for breast cancer in these women. Breast cancer is the most common cause of death among all women in the world, and is also the most common form of cancer among Iranian women by over 22%. The study found that women who have one or more of the following risk factors are at a higher risk for breast cancer: obesity, menopause, family history of breast cancer, and a history of induced abortion (as opposed to spontaneous abortion such as a miscarriage). As a result of their findings, researchers stated that “public awareness should be increased regarding the role of obesity, family history, higher education, menopause, and history of induced abortion and protective effect of more or full term pregnancy…” Furthermore, these researchers noted that more studies are recommended to explore the causes of breast cancer in Iran. This study has been called “the only reliable (abortion-breast cancer) study from Iran because its authors, unlike others, distinguished between induced abortions and spontaneous abortions (miscarriages).” [1]


[1] Risk Factors of Breast Cancer in North of Iran: A Case-Control in Mazandaran Province, Asian Pacific Journal of Cancer Prevention, Vol. 8, 2007, pp. 395-398.

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