Menstruation delays abdomen dull ache is how to return a responsibility

Menstruation delay, and abdominal pain, first of all need to be clear whether pregnancy phenomenon, because pregnant women will appear menopause, and due to hormone changes in the body will also cause waist and abdominal pain and other symptoms. Secondly, after excluding pregnancy, consider is due to endocrine disorders caused by irregular menstruation, abdominal pain may be menstrual cramps precursor.