Jun 15, · Breast pain is fairly common. With nearly 70% of women tolerating breast pain sometime in their life, it is generally not an immediate cause for concern. Due to shifts in hormones, pain in right breast is typically associated with the menstrual cycle, pregnancy, and menopause. Apr 01, · Breast pain is divided into cyclical and non-cyclical causes because cyclical pain is associated with hormonal fluctuations in estrogen and progesterone. The breasts are extremely sensitive to these hormone changes and often worsen as .