Why does the whole body become swollen after giving birth?

Generally speaking, after childbirth refers to the postpartum period. During this time, generalized body swelling may occur, which could be a normal physiological phenomenon or caused by pathological factors such as postpartum anemia or hypertension. The specific analysis is as follows:

1. Physiological Factors

Swelling that occurs during pregnancy typically takes about 1–2 weeks to subside after delivery. Therefore, some women may still experience generalized edema postpartum, which is considered a normal physiological response. There is usually no need for excessive concern or special treatment—adequate rest is sufficient.

2. Pathological Factors

2.1 Postpartum Anemia

This may result from prolonged consumption of nutritionally inadequate food during pregnancy, severe morning sickness, or pre-existing severe anemia. These conditions can lead to decreased hemoglobin concentration and induce hypoalbuminemia. Patients can improve their condition through treatments such as transfusion of suspended red blood cells, ferrous succinate tablets, or ferrous fumarate tablets.

2.2 Hypertension

Pregnancy-induced hypertension during gestation may cause excessive protein loss, leading to hypoalbuminemia. If the condition has not fully resolved after delivery, discomfort and swelling may persist. In mild cases, symptoms can be improved with adequate rest, intermittent oxygen therapy, or dietary adjustments. When necessary, medications such as magnesium sulfate injection or nifedipine tablets may be used under medical supervision.

In addition to the above common causes, abnormal cardiac or renal function, hypoalbuminemia, lower limb venous thrombosis, or renal-origin edema cannot be ruled out. It is recommended to seek medical attention at a hospital to determine the exact cause and receive targeted treatment.