If your stomach feels tight and hard at 37 weeks of pregnancy, it may be related to pseudo contractions, abnormal placenta or labor, etc. You need to go to the hospital in time to find out the specific causes and carry out symptomatic treatment. Common causes and treatment 1, pseudo contractions: In addition to the tightness and hardness of the abdomen, it will be accompanied by irregular and weak contractions of short duration but long intervals. This is a normal physiological phenomenon in late pregnancy, pregnant women can take a lateral flexion position to reduce the tension of the abdominal wall and abdominal pressure, you can also listen to more soothing music to relieve the symptoms of discomfort, but prohibit frequent stroking of the abdomen; 2, placental abruption: often manifested as a continuous tightness, hard feeling, can not be relieved by rest, need to go to the hospital for treatment, once diagnosed may need to terminate the pregnancy, in order to Once diagnosed, it may be necessary to terminate the pregnancy to ensure the safety of the fetus and the mother; 3, labor: if the hardness and tightness are regular, accompanied by pain, and the sensation is gradually strong, it may be a contraction of labor, at this time, you need to go to the hospital in time to wait for delivery and prepare for labor. Pregnant women need to pay strict attention to diet at 37 weeks of pregnancy, to avoid excessive intake of sugar, and do not eat too much, such as rice, noodles and other staple foods to prevent excessive weight growth, resulting in too large fetus, but can eat more fish, chicken and other protein-rich food, but also moderate intake of fresh fruits and vegetables to replenish a sufficient amount of vitamins.