There is brown discharge one month after the medical abortion, first need to rule out the possibility of incomplete medical abortion. You need to go to the hospital as soon as possible to check the ultrasound, to see whether there are abnormal echoes in the uterine cavity, whether there is the possibility of residual. If the ultrasound in the uterine cavity is normal, the brown discharge may be a manifestation of menstruation, and it is possible to cause menstrual disorders after a medical abortion. If there is no abnormality in the ultrasound, you can take oral motherwort granules or five plus biochemical capsules to further promote menstruation and further recovery of the uterus after medical abortion. However, you need to be vigilant that if you have had intercourse after the medical abortion, you need to rule out the possibility of another pregnancy, because any abnormal bleeding should be ruled out as pregnancy. If there is no pregnancy, and there is no incomplete abortion, the brownish discharge represents normal menstruation, so there is no need to worry too much.