Pregnant women are at high risk of carpal tunnel syndrome, especially in late pregnancy with weight gain and water and sodium retention, so the pressure in the narrow lumen of the carpal tunnel is increased, and the symptoms of carpal tunnel syndrome can easily appear, with numbness, swelling and stiffness of the hand at night or in the morning, pain and weakness of the fingers in severe cases, which can improve after activity, and in severe cases, numbness can also persist during the day, which can gradually improve after a few weeks of labor in most cases, and a few need treatment.