Menstruation went still have coffee color secretion how to return a responsibility

Menstruation away there are coffee-colored secretions, there may be menstrual delay, menstrual dripping caused by. There may also be endocrine disorders, improper diet, endometriosis, cervicitis, cervical erosion, uterine fibroids and other reasons. Need to be clean after 3-5 days to go to the hospital to check the abdominal B ultrasound, confirmed the cause.