Menstruation delayed 12 days measured two bars a very light, as the test mentioned here refers to the early pregnancy test paper test, the possibility of pregnancy is relatively large, but there are other situations that can lead to this test result. Early pregnancy test paper for HCG test paper, can test urine HCG preliminary determination of pregnancy, in addition to pregnancy, pregnancy trophoblastic diseases, germ cell tumors and other malignant tumors such as lung, adrenal and liver tumors can produce HCG, may also lead to early pregnancy test paper two bars a very shallow. Early pregnancy test paper test will also be due to product quality and test method correctness and other factors, false negative or false positive results, so the current situation of the possibility of pregnancy, but not completely sure of the pregnancy, but also need to follow up the examination. The 12-day delay in menstruation measured two bars a very light pregnancy is more likely, a period of time after the need to consult a gynecological ultrasound examination to clarify, if you feel unwell symptoms, you should go to the hospital in a timely manner, consult a physician’s guidance.