Period delay 7 days, with test paper measured is negative how to return a responsibility

Women do not maintain good living habits, usually overworked, often stay up late leading to endocrine disorders is a common cause of menstrual disorders. If women suffer from vaginitis, cervicitis, cervical polyps and other abnormal gynecological diseases, will also cause menstrual disorders. Suggestions: women can go to the hospital for examination, if menstrual disorders are serious, hormone conditioning can be used.