If there is a case of back pain and stomach bloating, clinically it is not necessarily pregnancy, it may be caused by the following reasons: First, to have menstruation, the pelvis is in a state of congestion, and there will be a case of back pain and stomach bloating. Secondly, because of chronic pelvic inflammatory disease, there will also be back pain and stomach distension, combined with the clinical history, often in daily life, there will also be pain in the lower abdomen. Third, because of endometriosis, there will also be back pain and bloating. If you have a sore back and a distended stomach, it is not necessarily a case of pregnancy, it is recommended to go to the hospital as soon as possible to do the appropriate examination, according to the results of the positive treatment, in addition to gynecological examination, it is also recommended to do ultrasound examination.