Itchy edematous feet during pregnancy may be associated with increased venous pressure in the lower extremities, hypoproteinemia, and hypertension during pregnancy. 1. Increased venous pressure in the lower extremities: This is the most common cause, as the months of pregnancy increase, the fetus also gradually increase in size, the uterus will have pressure on the pelvic floor and lower extremity veins, blood return is not smooth, resulting in increased venous pressure in the lower extremities, peripheral nerves will also have abnormal sensation, causing edema and itchy feet symptoms. 2. Hypoproteinemia: During pregnancy, the amount of circulating blood increases, pregnant women are malnourished, mainly due to insufficient protein intake caused by hypoproteinemia during pregnancy, excessive exudation of tissue fluid causes edema and itching of the feet. 3. Gestational hypertension: pregnant women who have gestational hypertension, excessive water and sodium in the body will cause sodium retention, causing foot edema or even the whole body has edema itchy phenomenon. It is recommended to go to the hospital in time to check, and then under the guidance of the doctor to deal with.