The possibility of numbness in the hands during late pregnancy is generally greater for two diseases: 1. numbness in the hands caused by a herniated cervical disc compressing the nerves, which often occurs when the pillow is not very suitable for the curvature of the neck, but since further examination is not possible during pregnancy, the diagnosis can be made after the delivery according to the cervical spine MRI. 2. numbness in the hands caused by low calcium during late pregnancy, which can be clearly diagnosed by The diagnosis can be made by blood biochemistry. Usually, low calcium is caused by the nutritional supply of the fetus and the pregnant woman during late pregnancy, and can be relieved by taking oral calcium tablets and vitamin D.