In the seventh month of pregnancy, it is normal to have a small abdominal cramp that is not particularly noticeable. In the middle of pregnancy, as the fetus increases in size, the uterus also increases in size, resulting in slight pain caused by the pulling of the uterine ligaments and manifesting the phenomenon of abdominal cramping. During this period, you should try to pay attention to rest, do not overexert yourself and avoid standing for a long time. Pay attention to rest in the left lateral position to reduce the obstruction of reflux caused by the right rotation of the uterus against the abdominal aorta and to reduce the feeling of abdominal cramping. If the abdominal cramping lasts for a long time and is accompanied by pain, it may be preterm labor, so you should go to the hospital to check the fetal heartbeat and fetal movement and take measures to preserve the fetus.