A pregnancy test with two bars is usually pregnant. Pregnancy test stick generally refers to the early pregnancy test paper, generally through the test of HCG in the urine of pregnant women to assist in the diagnosis of early pregnancy, a woman is pregnant after the body began to produce HCG, with the changes in the duration of the pregnancy, the concentration will change, if there are two bars, generally means that the pregnancy. Since there may be errors in using pregnancy tests, and ectopic pregnancy, ovarian cancer, cervical cancer and other diseases may also increase the HCG level in the body, it is recommended to go to a professional medical institution, and under the guidance of the physician, urine HCG, blood HCG, ultrasound and other examination methods, which are conducive to determining whether or not a pregnancy is occurring, as well as the location of the pregnancy, and to assist in ruling out the possibility of ectopic pregnancy.