Foot cramps during pregnancy are a common phenomenon in pregnancy discomfort syndrome, usually occurring at night, usually in the foot muscles and calf muscles (commonly known as calf belly) and occurring painful contractions. Common causes 1, the main reason for foot cramps during pregnancy may be the gradual increase in weight of pregnant women, the burden on the lower limbs gradually increased, the muscles of the feet and calves are often in a state of fatigue; 2, may be caused by a lack of calcium, magnesium or a slight circulatory disorder, because the fetus needs a lot of calcium to help bone development, so the body of pregnant women caused by calcium deficiency; 3, the night temperature is low, so the cramps are more likely to occur than during the day. The situation. The prevention and treatment methods 1, usually appropriate amount of calcium, strengthen the intake of iron and calcium-containing foods, such as milk, more sunshine, to promote the absorption of calcium in the body; 2, if cramps occur, you can slowly hook the toes back, while slowly straightening the knee. Although this is uncomfortable, it can reduce cramps and help relieve pain; 3. Avoid sitting or standing for long periods of time. Do a few times a day on tiptoe and then restore the action to stretch the calf muscles; 4. For obvious cramps, hold the back of the chair as support, stand straight so that the muscles at the back of the leg are stretched, hips slightly forward and bent, knees straight, and breathe deeply and evenly, or you can lean against the wall, stand on the floor with the soles of your feet, arms straight, lean slightly forward, and palms of your hands against the wall; 5. Keep your lower limbs warm while sleeping, especially before going to sleep, and do not Directly let the feet and calves blowing wind or cold air, and side lying posture, can reduce the symptoms; 6, rest can lie flat will be slightly elevated feet, toes upward stretch, can make the rear calf muscles stretch.