Before menopause, the amount of menstruation usually decreases or remains normal, which usually does not cause heavy menstruation. If there is an increase in menstrual flow, it is possible to consider that it is caused by a decline in the function of the corpus luteum, resulting in endometrial hyperplasia.
Generally with the decline of ovarian function, female patients will gradually menopause. Generally before menopause, the menstrual flow is almost normal or even reduced, but if there is a decline in the luteal function, which stimulates the endometrium to undergo abnormal proliferation, and does not enter the secretory phase, it may lead to irregular menstrual cycles and increased menstrual flow.
There may be other reasons for heavy menstrual flow before menopause, so it is recommended to consult a doctor in time, complete the relevant examinations, clarify the cause of the disease under the guidance of a professional doctor, and target treatment to avoid delaying the condition.