 <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]  preventing miscarriages. How to use Norethindrone AC (LUPANETA) Read the Patient Information Leaflet if available from your pharmacist before you start using this drug and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth as prescribed by your doctor. You may take it with food or after a meal to prevent stomach upset. Follow the dosing schedule carefully. Ask your doctor if you have any questions. The dosage is based on your medical condition and response to treatment. For the treatment of stopped menstrual periods and abnormal bleeding from the uterus, take this drug as directed by your doctor, usually once daily for 5 to 10 days during the second half of the planned menstrual cycle. Withdrawal bleeding usually occurs within 3 to 7 days after you stop taking the medication. Tell your doctor if your condition lasts or gets worse.The side effects of Norethindrone Acetate Oral: Nausea, vomiting, headache, dizziness, mood swings, trouble sleeping, weight gain/loss, acne, breast swelling/tenderness, change in sexual interest, unwanted hair growth, or hair loss may occur. If any of these effects last or get worse, tell your </s>