Breast tenderness before your period is normal. Breast soreness before a period is a common experience for many women, causing discomfort and concern. This is medically known as cyclical mastalgia and is a normal part of the menstrual cycle for a lot of people. But what causes this discomfort? The role of hormonesThe menstrual cycle is governed by fluctuations in hormone levels, specifically estrogen and progesterone. These hormones prepare the body for potential pregnancy each month, affecting various bodily systems, including the breasts. Estrogen: In the first half of the menstrual cycle, e…