Early pregnancy test paper is purple is a normal situation, because different manufacturers have different colors, so in the test may show purple. Some early pregnancy test paper may also appear red, general color difference on the test results basically does not have any effect, in the examination if the early pregnancy test paper above the presentation of two purple or red bar to consider pregnancy. If the test only shows a road that is a negative reaction does not appear to be pregnant, you can in the control area of the test paper for control. With early pregnancy test paper must pay attention to choose the right time, you can get up in the morning to use morning urine to test, so that the test results are relatively accurate, and need to be delayed in the menstrual period for more than a week before the test.