If vaginal bleeding occurs suddenly, such as in the middle of the menstrual period, it is overwhelmingly due to withdrawal bleeding during ovulation, often without lower abdominal pain. If the vaginal bleeding occurs in the second half of the menstrual period and there is no lower abdominal pain, it is often due to a clinical deficiency of progesterone. Symptomatic treatment can be given to stop the bleeding, you can take Enola blood 3 times a day, 5mg a time for 2 days. If the symptoms of bleeding do not improve after the above treatment, you should go to the hospital to have the corresponding examination, and according to the result of the examination, then give the medication. If there is sudden and heavy fresh bleeding from the vagina, it is often caused by tumor rupture, so go to the hospital for emergency treatment.