During the process of taking motherwort orally to regulate menstruation, it is recommended to suspend taking motherwort if you already have menstruation and have normal menstrual flow without obvious abdominal pain or menstrual blood obstruction symptoms. Motherwort granules or motherwort cream are Chinese herbal medicines with warming and invigorating effects. They can be taken during the premenstrual period to regulate menstruation and relieve pain, and can also effectively relieve primary dysmenorrhea, and are used for irregular menstruation, dysmenorrhea, low menstrual flow and blocked menstrual blood. After miscarriage or postpartum, motherwort can be used to contract the uterus and promote the discharge of malodorous dew. If you have irregular menstruation and have normal menstruation during the course of taking motherwort, without obvious dysmenorrhea and low menstrual flow, just suspend taking motherwort and observe normally. Motherwort is taken 2-3 days before menstruation and can effectively relieve primary dysmenorrhea. It is not recommended to take it again during menstruation, as it may easily cause heavy menstrual bleeding.