Ovulation test strips do not usually show 2 bars when you are pregnant. Ovulation test strips are used to test for ovulation, and if you want to know if you are pregnant, you should use a specialized pregnancy test. Ovulation tests are used to measure luteinizing hormone, which can be used to determine whether or not ovulation has occurred or whether or not the peak of ovulation has occurred, based on the concentration of luteinizing hormone. If the ovulation test paper shows two bars, it means ovulation has occurred. After a woman becomes pregnant, the luteinizing hormone level is lower and the ovulation test paper will not show two bars. You can use a special pregnancy test stick or pregnancy test paper to test, after pregnancy, the test result is two bars, if necessary, you can also go to the hospital to take a blood test HCG level. To summarize, ovulation test paper can not detect pregnancy, women who suspect that they are pregnant, should take a scientific method to test.