Yuting generic name is levonorgestrel tablets, levonorgestrel tablets eaten twice in a row can usually contraception. Levonorgestrel tablets belong to the progestogen class of drugs, commonly used in women’s emergency contraception, if women have no protection or contraceptive errors in sexual life, you can eat levonorgestrel tablets under the guidance of the doctor in accordance with a certain dosage, can inhibit ovulation and pregnancy egg implantation, but also make the cervical mucus consistency increased significantly, to achieve the role of contraception. However, levonorgestrel tablets are only used as emergency contraception, not as a regular contraceptive method. Levonorgestrel tablets must be used in accordance with the doctor’s instructions, some patients may experience menstrual changes, nausea, breast swelling and pain and other adverse reactions after taking levonorgestrel tablets, usually recovered on their own. If the symptoms of suspected pregnancy do not use the drug, suffering from breast cancer, venous thrombosis, hypertension and hyperlipidemia and other diseases are prohibited.