Menstruation delayed 14 days, with pregnancy test stick 3 times not pregnant

Pregnancy test stick measurement pregnancy may appear misdiagnosis situation, you can be admitted to do blood hcg, B ultrasound examination, etc. for diagnosis, if not pregnant may be endocrine disorders, gynecological inflammation caused by menstrual delay, at this time can be admitted to the hospital for examination and then according to the cause of medication treatment.