Taking medication abortion is a kind of abortion, which is suitable for pregnant women whose gestational week does not exceed 7 weeks and whose age does not exceed 40 years. The common hazards of medical abortion are as follows: 1. Menstrual disorders: The main component of anti-pregnancy drugs is anti-progestin, which can inhibit the function of the ovaries and affect the growth and development of follicles and even interfere with ovulation. After abortion, menstrual disorders may occur in some pregnant women, manifested as shortened or prolonged menstrual cycle and increased menstrual volume. 2, vaginal bleeding and anemia: pregnant women take anti-pregnancy drugs before prostaglandin, the fetal sac in the uterine cavity can be expelled on the day of taking prostaglandin drugs, sometimes incomplete expulsion of pregnancy tissue, poor endometrial repair, longer vaginal bleeding, which can last 2-3 weeks or even 1-2 months, long-term chronic blood loss can cause anemia. 3. Infection: Due to long-term chronic blood loss, it can cause the body resistance to decline. Bacteria can be retrograde from the vagina to cause endometrial inflammation. If multiple pregnancies and multiple abortions or improper maintenance can cause pelvic infection. 4, secondary infertility or affect pregnancy: women of childbearing age such as repeated pregnancies and repeated abortions can cause repeated damage to the endometrium and uterine cavity adhesions, and when a normal pregnancy is needed, infertility can occur, and after pregnancy, placenta praevia can easily occur, which can cause prenatal hemorrhage and even habitual abortion, and at the same time, it can increase the risk of preterm labor and ectopic pregnancy. In conclusion, drug abortion has certain indications and is not suitable for all people. In order to avoid or reduce the harm caused by taking drug abortion, you need to take it under the guidance of a doctor, do not take the drug at home without permission. Under normal circumstances, after early pregnancy abortion, vaginal bleeding will be clean in 3-5 days or 7-10 days, and most of them will not bring great impact to the body.