Normally, a woman’s menstrual period is between about 3 and 7 days. If it is longer than 7 days, it is called a prolonged menstrual period. If the menstruation has not cleared after 15 days, it is considered to be abnormal bleeding due to blood supply or prolonged menstrual period. In this case, it is recommended that you must go to a hospital gynecological examination immediately. Ultrasound and also blood tests to see the thickness of the endometrium and the presence of any obvious infection, and symptomatic treatment to stop the bleeding according to the test results. Anti-inflammatory drugs should also be used to prevent infection. If the endometrium is thick, consider using progesterone to stop the bleeding, and if the endometrium is thin, consider taking uterine blood, or tonic for symptomatic hemostatic treatment.