C. Yanhua of the First Peoples Hospital of Kunming in Yunnan province and his colleagues found the abortion-breast cancer association after comparing data from 263 cases of breast cancer and 457 controls without the disease. Their analysis covers the years 2009-2011 ... In conclusion, in this study the estrogen related risk factors of breast cancer included woman who had longer menstrual cycle, older age of first live birth, never breastfeeding, nulliparity, and number of abortions more than one. Therefore, it is recommended to women with these risk factors perform breast cancer screening tests earlier and regularly, they said.
The Washington Post reported over the weekend that U.S. abortions fell 5 percent during the recession and its aftermath in the biggest one-year decrease in at least a decade, perhaps because women are more careful to use birth control when times are tough, researchers say.