Induced abortion contractions are around 3~7 days. Induced abortion is the use of negative pressure, the principle of intrauterine embryonic tissue using a suction tube to remove the intrauterine pregnancy tissue to achieve the purpose of removing the intrauterine pregnancy tissue, induced abortion is suitable for intrauterine pregnancy up to 10 weeks of pregnancy, induced abortion contractions have a certain relationship with the size of the month of pregnancy, the amount of activity, the residue in the uterus, and so on. 1. month of pregnancy: the shorter the pregnancy for abortion, the shorter the duration of postoperative contractions, contractions may be about three days. 2. Activity: After abortion, you should pay attention to resting well, and the time of uterine contraction is relatively short. If you have too much activity, the time of uterine contraction will be prolonged, which will lead to prolonged bleeding time and endless bleeding. 3. Intrauterine residuals: If the abortion surgery is not operated properly resulting in the intrauterine tissue is not completely eliminated, then the contraction time needs to be longer, which will also lead to increased vaginal bleeding, abdominal pain, and other adverse reactions, the need for timely medication or surgical evacuation of the uterus, to exclude the residuals. Abortion contractions longer, bleeding, abdominal pain, etc., need to go to the hospital in time to avoid delaying the condition.