Bleeding all the time in the lower body, not pregnant Pregnancy tests usually do not show one dark and one light. Mostly consider the inaccuracy of the results of the pregnancy test stick or biochemical pregnancy and other causes. 1. Inaccurate pregnancy test results: the quality of the pregnancy test is not qualified or the use of the process of improper operation, resulting in a false positive results of the pregnancy test a dark and light, while the woman herself is not pregnant, the reason for the lower body bleeding is the normal menstrual cycle. 2. biochemical pregnancy: biochemical pregnancy embryo chromosomal abnormalities, often can not be normal bed, the body after pregnancy human chorionic gonadotropin can not be elevated to the level of normal pregnancy, so that the pregnancy test stick appeared to be a dark and light results. The embryo of biochemical pregnancy will usually abort on its own, manifesting itself in the form of bleeding all the time in the lower body. If you’re not pregnant and the pregnancy test is dark and light, you should go to the hospital, complete the examination, and give targeted treatment after clarifying the cause of the disease.