Edema can be normal when you are more than 5 months pregnant, or it can be caused by disease factors.
1. Physiological phenomenon: pregnancy more than 5 months due to the enlargement of the uterus, the enlarged uterus is easy to press the lower extremity veins, affecting the venous return of the lower extremities, resulting in obstruction, there will be foot edema; at the same time, if a pregnant woman to maintain a position for a long time, such as sedentary, standing, etc., but also prone to cause blood flow is not good, easy to appear the phenomenon of foot edema.
2. Pathological factors: if the pregnant woman is combined with high blood pressure, kidney disease and other factors, or usually protein deficiency, then it will also lead to foot edema.
There are more factors of foot edema during pregnancy, it is recommended to consult a doctor in time and treat the symptoms.