Test twice with a test paper is a red bar can be that does not come menstruation

Pregnancy test paper test a red bar can rule out the possibility of pregnancy, but always do not menstruation is considered due to gynecological diseases, such as ovarian cysts, polycystic ovary syndrome, do not rule out the possibility of endometrial cancer; should go to the regular hospital Obstetrics and Gynecology do sex hormones six, abdominal B ultrasound examination.