Jin Yuting generic name is levonorgestrel tablets, the use of this drug after the withdrawal of bleeding usually 3 to 7 days, or may not appear withdrawal bleeding. Levonorgestrel tablets are a kind of emergency contraceptive, the main component is progestin, can inhibit ovulation and prevent the pregnant egg to bed, after the use of this drug, the endometrium will be abnormally thickened, after stopping the use of the drug after the thickening of the uterine lining temporary loss of progesterone support, there will be a small amount of shedding caused by bleeding, usually about 3-7 days after discontinuing the use of the drug. However, not all people taking levonorgestrel tablets will have withdrawal bleeding, some women do not have withdrawal bleeding reaction is also normal, can not be based on withdrawal bleeding to determine whether the contraceptive success. Levonorgestrel tablets may have some adverse reactions, such as menstrual disorders, etc., may also have some gastrointestinal symptoms, such as nausea, vomiting, etc., and some also manifested as dizziness, headache, breast swelling and pain. The use of levonorgestrel tablets withdrawal bleeding if the time is longer, bleeding is larger, should be timely to go to the hospital for examination, targeted treatment, the use of drugs need to be used under the guidance of a doctor, not unauthorized use of drugs.