Menstrual disorders can be measured with two bars, which can be pregnancy or ovulation, or a false positive reaction. If you have a menstrual disorder and two bars are detected, one is to use a pregnancy test paper and the other is to use an ovulation test paper, there are several possibilities for the two bars to be detected: 1. Early pregnancy test paper: menstrual disorders do not exclude the possibility of ovulation, if sex occurs during ovulation, pregnancy is possible. The urine pregnancy test will appear two bars around 14 days after intercourse, indicating that the possibility of pregnancy is relatively large, it is recommended that further blood tests HCG to confirm the diagnosis. 2. Ovulation test: menstrual disorders through the ovulation test paper test appears two bars, may be in the near future will occur ovulation, if there is a requirement for fertility, it is recommended to carry out ultrasound monitoring, observation of follicular development, whether ovulation occurs. 3. False-positive reaction: If the test method is not right or if expired or damaged test paper is used to do urine pregnancy test or ovulation test with two red lines, false-positive reaction can not be ruled out, which will affect the accuracy of the test results. Menstrual disorders can be measured with two bars, in the absence of a clear diagnosis, it is recommended to go to the hospital in time and follow the medical advice to deal with the treatment.