Breast self-examination as the name implies is the practice of checking the breast on a monthly basis to detect any abnormalities. It is quite common to experience breast tenderness one or two weeks before your period. At different times in your growing years, there are several factors that can cause changes in your breast such as:
- Increase in age
- Menstrual cycle
- Birth control pills.
It is still however very important to examine your breast monthly, you should note