Weakness after pregnancy should be identified, anemia caused by medication, malnutrition caused by the need to strengthen the nutrition, caused by hypoglycemia to adjust the blood sugar. 1. anemia: anemia during pregnancy can cause weakness in pregnant women, since mid-pregnancy to increase the appropriate iron-containing foods, such as meat, animal liver, etc., when blood tests, serum ferritin and other tests suggest anemia, you need to follow the doctor’s instructions to give iron to correct anemia treatment. 2. Malnutrition: when malnutrition during pregnancy, such as hypoproteinemia, can also cause weakness, when urine routine, renal function tests to rule out renal disease and hypertension in pregnancy and other pathological conditions, you need to follow the doctor’s advice to increase the intake of protein-rich foods, such as meat, eggs, dairy products. 3. Hypoglycemia: when pregnancy is combined with diabetes, when blood sugar control is poor, often occurring hypoglycemia, will also cause weakness, need to control blood sugar under the guidance of the doctor, add meals at the right time to avoid hypoglycemia. 4. Physiological phenomenon: early pregnancy due to the influence of hormone levels in the body, some pregnant women will appear weakness and other early pregnancy reactions, do not need special treatment, can be gradually recovered on their own. After pregnancy, you need to go to the hospital to find out the cause of the weakness, and active treatment.