If the pregnancy test shows two red lines, clinically it indicates that there is a possibility of pregnancy. This situation is caused by the following reasons: first, the pregnancy time is relatively short, the HCG level in the urine is still relatively low, so there will be a deep and light two red lines; second, in the clinical situation of ectopic pregnancy, there will also be a deep and light two red lines, continue to check, will still be a deep and light. Must cause great attention, it is recommended to go to the hospital to draw blood, check the blood HCG, and monitor the blood HCG value, in the clinical can make a preliminary diagnosis. For ectopic pregnancy, it is necessary to achieve early diagnosis and early clinical intervention, otherwise there will be serious consequences. After the result of one dark and one light on the pregnancy test stick, it is best to do another morning urine early pregnancy test after 5 days.