My menstruation is irregular, occasionally a bit is how to return a responsibility

Female irregular menstruation appears from time to time and a little bit, usually because of gynecological diseases caused by, such as uterine fibroids, endometrial polyps, cervicitis, cervical erosion, etc.; there may be endocrine disorders caused by patients. Should go to the hospital for gynecological, endocrine and other examinations, actively adjust the usual habits.