After abortion surgery, uterine contraction will appear paroxysmal pain, this is normal, but also a good phenomenon, because the uterus increases in size during pregnancy, the uterus needs to gradually contract after abortion, return to normal size, in the process of uterine contraction, it will also compress the blood vessels in the intrauterine cavity trauma, to play a role in stopping the bleeding, the vaginal bleeding will stop in 1 week or so, with the uterus gradually return to normal, uterine contraction of pain will also gradually reduce, disappear, 1 month time the uterus can be returned to normal. As the uterus gradually returns to normal, the pain during uterine contractions will also gradually decrease and disappear, and the uterus can return to normal in 1 month’s time. If some people’s uterine contraction ability is poor, the vaginal bleeding will last longer, more than 1 week or the amount of vaginal bleeding is greater than the amount of menstruation, in this case, you need to take oral motherwort granules or new biochemical granules, or intramuscular injections of uterus to promote uterine contraction, to help the uterus to return to normal, but also play a role in stopping the bleeding.