Why are my breasts sore before a period? By Lizzy on December 16, 2018 Fluctuations in hormones before a period are a common cause of sore breasts. In this article, learn more about why breast pain or tenderness often occurs before a period. Source: MedicalNewsToday.com Published in Health News Lizzy More from Health NewsMore posts in Health News »Most Tenants Get No Information About Flooding. It Can Cost Them DearlyMost Tenants Get No Information About Flooding. It Can Cost Them DearlyWhy Germany’s coronavirus strategy might come back to haunt itAmerican Airlines reports $2.4 billion net loss in third quarter, cuts cash burnNo COVID Vaccines in California Without State ApprovalNo COVID Vaccines in California Without State ApprovalWhat Will Convince Americans to Get a COVID-19 Vaccine?What Will Convince Americans to Get a COVID-19 Vaccine?