During perimenopause, many women experience significant changes in their menstrual cycles. This includes shorter, longer, or missed cycles. Heavy bleeding, also known as menorrhagia, is one of them and typically means blood loss greater than 80 milliliters or periods lasting longer than a week. Due to changes in estrogen levels, the uterine lining thickens, leading to heavier and longer periods. During this phase, a woman's body is gradually stopping the release of eggs, and fluctuations in estrogen and progesterone levels can cause heavy bleeding and other symptoms. If this interferes with your daily life, you should contact your doctor. The doctor may recommend hormone therapy to help balance your hormone levels and alleviate symptoms. Additionally, paying attention to your diet and lifestyle can help manage perimenopausal symptoms.