Breast pain: Causes, symptoms, and treatments - What causes pain in breast Like 71.93% | 979 votes Views: 891 124 Download Cysts. Share on Pinterest A lump in the. Costochondritis. Categories: Twins Comments: Add Comment Cancel By Dusar - 07:31 A poorly fitted bra. By Maushakar - 04:47 Amsterdambynight.info › symptom › breast-pain. By Zolomi - 01:20 During the menstrual cycle, various hormones cause changes in breast tissue that can lead to pain or discomfort in some women. While breasts do not typically. By Faegrel - 04:47 Around 70 percent of women report pain in one or both breasts, and only about 15 percent require treatment. It is common in women who are.