Maflon, or deoxypregnene ethinyl estradiol tablets, are mainly used for contraception. Missed bleeding represents early menstruation, which needs to be replenished within 12 hours, and if it exceeds 12 hours it needs to be reapplied after menstruation is over. Some patients may experience abdominal pain, vomiting and other adverse reactions, allergies need to be prohibited. Deoxypregnene ethinyl estradiol tablets are mainly used for contraception, patients who miss a dose during the medication have bleeding phenomenon, indicating early menstruation, patients should be within 12 hours to make up the dose. If it has been more than 12 hours, patients need to restart taking the drug after the end of menstruation. Some patients taking deoxypregnene ethinyl estradiol tablets may experience adverse reactions such as abdominal pain, vomiting, breast tenderness, and changes in vaginal discharge. People with drug allergies should not take Deoxypregnene Ethinyl Estradiol Tablets to avoid symptoms such as difficulty in breathing, skin rashes, and itching of the skin. The specific use of Deoxypregnene Ethinyl Estradiol Tablets should be under the guidance of a doctor. Patients taking deoxypregnene ethinyl estradiol tablets during the missed dose should make up for the dose in time or re-take after menstruation, if there are adverse reactions, it is recommended to stop taking the drug in time and consult a doctor.