The third day after abortion, stomach pain and blood, if the symptoms are mild, may be the uterus after abortion is gradually undergoing recovery, general clinical significance is not great, you can continue to observe, to observe whether the symptoms have been relieved, and at the same time in the diet to avoid eating spicy, cold, greasy, stimulating food. If the abdominal pain and vaginal bleeding symptoms are serious after abortion, you need to be alert to whether inflammation occurs, if accompanied by vaginal odor, yellowish, reddish color of the white belt, and at the same time the pain in the abdomen accompanied by fever, you need to consider the possibility of gynecological inflammation, you need to go to the hospital to do gynecological examination, ultrasonography, blood test, according to the results of the examination, and then give the appropriate treatment measures. If the vaginal bleeding is heavy and the abdominal pain is severe, you need to consider whether there is the possibility of embryo retention.