How many days can you have your period after taking motherwort can not be generalized, it needs to depend on the specific situation. Motherwort is clinically used in gynecology, and it is mainly used to activate blood circulation and remove blood stasis, regulate menstruation and relieve pain. It is generally used for women whose menstruation has been pushed back, and can be considered to take motherwort to regulate the situation when pregnancy is ruled out, but it is necessary to use the drug under the guidance of the doctor. In addition, the prerequisite for motherwort to regulate menstruation is that the thickness of the endometrium should be above 8-10mm, at which time it will have obvious menstruation-regulating effect, and menstruation can usually come in about 3-5 days after taking the medicine. Therefore, if a woman’s uterine lining is too thin, or physiological amenorrhea due to pregnancy, taking motherwort has no menstrual regulation effect, but may cause other adverse effects. Since Motherwort has the effect of activating blood circulation and removing blood stasis, women should use it sparingly during menstruation to avoid an increase in menstrual flow. In addition, people with deficiency in blood and qi should not consume motherwort, as it may aggravate their condition.