Two plus signs of occult blood in the urine during pregnancy should be a symptom of a urinary tract infection or urinary stones, and should be checked during the examination to see if there is an increase in white blood cells. If there is an increase in white blood cells with two plus signs of occult blood, this indicates a urinary tract infection, which needs to be treated with anti-inflammatory drugs to control the development of the disease. If there is only occult blood and no white blood cells, it is possible that there is a urinary stone, if there is a urinary stone, it can be determined by ultrasound examination. If it is serious, accompanied by severe stomach pain and lumbar pain, it is necessary to use medication, you can drink some Chinese medicine preparation stone removal punch treatment, this drug will not have great significance to the fetus. You should also drink plenty of water to speed up your metabolism.