All of the following constitute factors that increase risk for breast cancer EXCEPT:

Question

Quizplus · Accepted Answer

All of the other choices are known risk factors for breast cancer. Irregular menstrual periods may not increase the risk for breast cancer, but they could be a symptom of an underlying hormonal imbalance that may increase the risk. However, more research is needed to fully understand the relationship between irregular menstrual periods and breast cancer risk.

All of the Following Constitute Factors That Increase Risk for Breast