What Does a Healthy Period Look Like? A typical menstrual cycle lasts between 21 to 35 days, with bleeding lasting from 2 to 7 days. The flow is moderate, beginning as a brighter red and becoming darker toward the end. Mild symptoms like cramping, bloating, and mood swings are normal. However, extreme discomfort, irregularities, or changes in your cycle could signal an underlying health issue that needs attention. What Your Menstruation Might Be Telling You About Your H