Bruised blood should be stasis. If the low menstrual flow is caused by blood stasis, you can take motherwort granules as prescribed by your doctor to remove the blood stasis. Normally, a menstrual flow of 30 ml to 60 ml is normal. If the menstrual flow is less than 20 ml, it can be judged as low menstrual flow. You can take Motherwort Granules after consultation with your doctor. Motherwort granules have the effect of activating blood and regulating menstruation (regulating menstruation by activating blood), and are used for menstrual irregularities caused by blood stasis, which are characterized by low menstrual flow. The adverse effects of this product are not known and it is contraindicated in pregnant women. Avoid eating raw and cold food. This drug should not be used for menstrual disorders caused by deficiency of qi and blood, such as scanty menstrual flow, pale in color and thin in texture, accompanied by dizziness and palpitation (rapid heartbeat, often accompanied by panic), and fatigue and weakness. It is contraindicated for those who are allergic to this product, and should be used with caution by those with allergies. If you have low menstrual flow, it is recommended to go to the gynecology department of a regular hospital for a detailed examination to find out the cause of low menstrual flow, to clarify whether it is caused by disease factors, and to take effective treatment measures if necessary.