You should not take blood-activating drugs at will after an unwanted pregnancy to avoid accidents. Taking blood-activating drugs after pregnancy may accelerate blood circulation in the body and stimulate uterine contraction, which may lead to abdominal pain and vaginal bleeding, causing miscarriage, bleeding and other accidents, which will jeopardize the pregnant woman’s own health and life safety. Drugs that invigorate blood are prohibited during pregnancy. If you do not want to keep the fetus after an unwanted pregnancy, you should choose the appropriate method to terminate the pregnancy according to the specific gestational week, and you should not take drugs that invigorate blood without authorization. For example, within 49 days of menopause intrauterine pregnancy, you can take mifepristone, misoprostol under the guidance of the doctor to terminate the pregnancy; 60 days of intrauterine pregnancy can do abortion. Unexpected pregnancy can not take blood-activating drugs without authorization, we should go to the hospital in time to check, according to the specific gestational weeks to choose the appropriate way to terminate the pregnancy.