 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  weaken the immune system/increase the risk of infection (such as HIV, leukemia, IV drug abuse). If you or partner have other sexual partners, this device may not be the best birth control method for you. If you or your partner get a sexually transmitted disease (including HIV, gonorrhea, chlamydia), contact your doctor right away. Ask your doctor if you should continue to use this device for birth control. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Also, if you are going to have an MRI test, tell testing personnel that you are using this device. They may need to adjust your MRI test. This device should not be used during pregnancy. If you become pregnant or think you may be pregnant, tell your doctor right away. Levonorgestrel passes into breast milk. Consult your doctor before breast-feeding.The interactions of Levonorgestrel Intrauterine: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it </s>