Cochlearia, or ovarian chocolate cysts, is a type of endometriosis, and the generic name of Vaisanin is Dinogestrel Tablets. Bleeding from Cochlearia after taking Dinogestrel Tablets for 6 months may be an adverse reaction to the drug. Endometriosis occurs in the ovary that is chocolate cysts, dinogestrel tablets are mainly used to treat endometriosis. Choco cysts taking dinogestrel tablets for 6 months, vaginal bleeding, may be a normal reaction to the drug. This is because changes in the bleeding pattern, such as spotting bleeding, may occur while taking Dinogestrel Tablets, but the symptoms may gradually disappear as the duration of treatment increases. Dinogestrel tablets may cause adverse reactions such as headache, breast discomfort and depression. It is contraindicated in the presence of active blood clots, diabetic patients with vasculopathy, severe liver disease, the current presence of liver tumors, the presence of hormone-dependent tumors, and those who are allergic to the ingredients of Dinogestrel tablets. If the symptoms of vaginal bleeding are not relieved, or accompanied by other symptoms, you should go to the hospital in time to consult the doctor, identify the causes and then give targeted treatment.