A pregnancy test with one dark and one light represents a weak positive, suggesting a high probability of pregnancy, there is also the possibility of false positives, if necessary, need to do further blood HCG laboratory tests for a clear diagnosis. Pregnancy test is used to detect whether the pregnancy of a means of examination, if through the pregnancy test stick test for a deep and light, this situation represents a weak positive, indicating that the concentration of blood HCG in the blood is not high, may be pregnant for a relatively short period of time, it is recommended that regular recheck. If you are pregnant, you will see two darker red bars on the pregnancy test in the later stages. A pregnancy test with one dark and one light bar does not exclude the possibility of false positives. If the test is taken at the time of ovulation, false positives can result due to the apparent peak of luteinizing hormone at the time of ovulation. If the above situation occurs, it is recommended that the patient go to the hospital in time to do blood HCG test to clarify whether pregnancy. If it is clear that she is pregnant, she needs to determine whether it is intrauterine pregnancy or ectopic pregnancy through ultrasound examination at a later stage. If ectopic pregnancy, need to timely surgical treatment, such as tubectomy. In order to prevent the later will cause hemorrhage and thus endanger the safety of life.