What Causes Swelling in the Lower Legs During Pregnancy?

In daily life, some pregnant women experience calf edema during the second or third trimester. What causes calf edema in pregnancy?

What Causes Calf Edema in Pregnant Women?

Calf edema in pregnancy results from compression and dilation of uterine veins, leading to impaired venous return and subsequent lower-limb edema. It typically first appears around the ankles and gradually progresses upward as the condition worsens; in severe cases, it may extend to the thighs, abdomen, or even involve generalized edema. Usually, the swelling resolves spontaneously with rest or elevation of the lower limbs.

The following foods may help alleviate calf edema in pregnant women: 1. Fresh potatoes: If calf edema is particularly severe during pregnancy, consuming more fresh potatoes is recommended. Potatoes possess diuretic and anti-edema properties, yielding highly effective results. 2. Celery: A commonly consumed vegetable, celery also exhibits natural diuretic effects, helping eliminate excess fluid from the body—making it especially suitable for pregnant women. 3. Cucumbers: Cucumbers have pronounced diuretic and anti-edema properties, effectively reducing calf edema in pregnancy.

When calf edema occurs during pregnancy, timely evaluation—including blood pressure measurement, blood glucose testing, and complete blood count—is essential. During early pregnancy, nausea and vomiting (morning sickness) may impair nutritional intake and absorption, necessitating appropriate nutritional supplementation. Increasing intake of milk, lean meat, and egg yolks can help improve anemia and low hemoglobin levels, which may contribute to edema. We hope this information proves helpful.