Delayed menstruation abdominal discomfort is considered to be the fast approaching menstruation, there is congestion in the pelvis caused by abdominal pain, abdominal distension, you need to pay attention to rest, do not stay up all night. Under normal circumstances, menstruation advance or retreat 3-5 days are normal, but not more than 7 days, if more than 7 days to consider is caused by inflammation, endocrine disorders, taking drugs improperly can lead to menstrual irregularities, more than 7 days need to go to the hospital to do gynecological examination, hormone six examination, it is recommended to identify the causes of reasonable regulation, if necessary, take progesterone to promote menstrual treatment. If you usually have sex without contraception, there is a possibility of pregnancy, you need to go to the hospital for an early pregnancy test to determine the pregnancy abdominal discomfort is a normal phenomenon during early pregnancy, pay attention to rest, regular obstetric examination.