Motherwort is not usually drunk for heavy periods, as it has its own blood nourishing and activating properties, which may lead to more bleeding. However, there is an exception, heavy menstrual flow, if accompanied by large blood clots, or similar to the fleshy membrane-like, it is actually the shedding of the endometrium, this particular case can take motherwort, to nourish the blood, activate the blood, remove blood stasis, and produce new blood, and only after the bruises and blood are drained, the blood can return to the menstruation, which can serve to dissolve blood stasis and stop the bleeding, so it must be dependent on the bleeding situation. For a normal menstrual cycle, the amount of menstrual flow is between 5-80mL, if it exceeds 80mL, it indicates that it is heavy menstrual flow, and if it is not accompanied by blood clots, stop using Motherwort. If there are clots or a lot of clots, you can add Motherwort appropriately, it can help to resolve blood stasis and stop bleeding.