Statistics from your American Cancer Society and the National Cancer Institute indicate that almost 25 percent of US women clinically determined to have cancer experience cancer of the breast. Additionally, they estimated many 207,090 new female cases and 39,840 deaths caused by female cancer of the breast for 2010. However, studying the survival rates represents a far more optimistic viewpoint. The numbers increased over time and they're currently estimated to get 89% at 5 years after diagnosis, 82% after a decade, and 75% after 20 years. Accordingly, reducing estrogen may reduce a female's probability of breast cancer. The question is: How to lessen the estrogen level in a female's lifespan? The risk of breast cancer is quite a bit reduced in Japan than that in the United States?about one-fourth. This discrepancy might be explained by the fact that the menstrual cycle of women in the United States is approximately 26 to 29 days, when compared to average of 32 days for females in Japan. So, the length of the menstrual cycles may hold the answer to reducing cancer risk ladies, since the shorter the menstrual cycles, the less creation of estrogen, along with the lower the cancer risk.