In the 5th month of pregnancy, the phenomenon of taut belly may be pseudo contractions, because at this time, the disease sensitivity of the uterus is higher, which will easily lead to the appearance of pseudo contractions. There will be a hardening of the stomach, and a feeling of cramping and swelling, the symptoms of tight belly, if there is no pain in the stomach, no bleeding phenomenon, occasionally, this belongs to the normal physiological performance, no special treatment is needed. If the pain is more intense or frequent during this period, this is considered to be the occurrence of signs of miscarriage, you should go to the hospital for examination as soon as possible, you need to timely preservation of the fetus, during this period also need to pay attention to observe the changes in the fetal heart and fetal movement, to avoid causing intrauterine hypoxia, causing fetal asphyxia.