Irregular uterine bleeding can usually be stopped in 5 to 7 days by taking dydrogesterone tablets, taking dydrogesterone tablets may produce adverse reactions, and should be guided by a doctor to use the medicine. If the irregular uterine bleeding is not relieved by taking Deferiprone tablets for 5 to 7 days, and the effect of stopping bleeding is not achieved, the drug should be stopped immediately and seek medical advice promptly. Patients with irregular uterine bleeding may experience adverse reactions such as headache, breast sensitivity and uterine bleeding after taking Deferiprone Tablets. The drug is contraindicated in those who are allergic to the components and excipients of Dydrogesterone Tablets, those with progesterone-dependent tumors, those with unexplained vaginal bleeding, and those with severe hepatic dysfunction. Irregular uterine bleeding with dydrogesterone tablets should be directed by a doctor.