Swollen feet in more than four months of pregnancy is mostly not normal, need to be alert to the disease, timely medical treatment. Under normal circumstances, after 28 weeks of pregnancy, pregnant women will have swollen feet and other symptoms, because 28 weeks of pregnancy, the enlarged uterus compressed to the lower extremity veins, resulting in lower extremity venous blood return is impeded, thus causing edema symptoms. But more than 4 months pregnant uterus enlargement has not yet compressed to the lower extremity veins, generally does not cause foot swelling, foot swelling is an abnormal symptom. The swollen feet in the fourth month of pregnancy are often considered disease causes, such as nephrotic syndrome, combined heart disease in pregnancy, nephritis, hypertension in pregnancy and many other diseases may bring the symptoms of swollen feet, it is recommended that pregnant women need to be vigilant. It is recommended to find the symptoms of swollen feet in more than four months of pregnancy, you should go to the regular hospital in time to avoid delaying the treatment of the disease.