There is no such thing as the fastest abortion pill, but rather the most appropriate way to terminate a pregnancy is chosen based on the week of pregnancy. At present, the drug abortion mainly has mifepristone and misoprostol, usually the two will be used in combination, that is, is usually referred to as drug abortion. Drug abortion is mainly applicable to the pregnancy is not more than 49 days, and not ectopic pregnancy, you can oral mifepristone and misoprostol sequential joint abortion, usually need to take under the guidance of a physician, do not recommend private use of drugs. After taking the drug, as short as a few hours can appear uterine contraction abdominal pain, vaginal bleeding, the phenomenon of embryonic tissue discharge, usually not more than a week, discharge still need to review ultrasound, to observe whether there is an incomplete abortion, in order to determine whether the need to clear the uterus. Taking abortion pills has the risk of incomplete abortion or hemorrhage, so it is recommended to be carried out under the guidance of physicians in regular hospitals. After the drug abortion should pay attention to the prevention of infection, within a month of sexual intercourse is prohibited, daily attention to rest and warmth, do not stay up all night and so on.