There is no clear rule on how long to take motherwort granules after miscarriage, it varies from person to person, depending on the recovery of the uterus of each person. After miscarriage, if the uterus does not contract well, there is a small amount of vaginal bleeding, dripping or a small amount of residual meconium tissue in the uterine cavity, you can take motherwort granules to activate blood circulation and remove blood stasis to promote the discharge of blood stasis and residue, generally until the vaginal bleeding stops. If the uterine cavity is back to normal by ultrasound, there is no need to continue to use medicine. Motherwort granules are a common Chinese medicine used in gynecology after normal delivery and miscarriage induction, with the function of activating blood circulation and removing blood stasis and regulating menstruation.