The drug, also known as heparin, is a low-molecular-weight heparin used as an anticoagulant to prevent and treat deep vein thrombosis or pulmonary embolism. It is generally used to prevent postoperative venous thrombosis and clotting in extracorporeal circulation. The first three months of pregnancy are contraindications. Thirty-eight weeks are not contraindications.

　　Measures suggested

　　1. Pregnant women belong to a special group. If the overall situation is not so serious, it is generally not recommended.

　　2, use must follow the doctor's advice, strictly in accordance with the doctor's instructions.

　　Matters needing attention

　　Use in the third trimester had little effect on the fetus.