Has been lumbago is not to menstruation how to do

Some women before menstruation, will feel backache, backache, abdominal distension and so on, but this is not inevitable. Backache may also be caused by other reasons, if menstruation has been delayed, more than 7 days, it is recommended that patients go to the hospital in time to improve color ultrasound and gynecological examination, symptomatic treatment after confirming the cause.