 <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]  can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.  Notes Do not share this medication with others. Regular complete physical exams which include lab and/or medical tests (such as blood pressure, breast exam, pelvic exam, Pap smear) should be done while you are using this medication. Follow your doctor's instructions for examining your breasts, and report any lumps right away. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose Refer to the product package information for instructions. You may need to use back-up birth control (such as condoms, spermicide) to prevent pregnancy. Ask your doctor or pharmacist if you have any questions. If you have trouble remembering to remove and reinsert the ring as directed, or if it falls out repeatedly, contact your doctor to discuss switching to another form of birth control.  Storage Different brands of this product have different storage needs. Check the product package for instructions on how to store your brand, or ask your pharmacist. Do not use after 4 months or after the expiration date, whichever comes first. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into </s>