The drug, also known as heparin, is a low-molecular-weight heparin, an anticoagulant used to prevent and treat deep vein thrombosis or pulmonary embolism. It is generally used to prevent venous thrombosis after surgery and blood clotting caused by extracorporeal circulation. The first trimester of pregnancy is contraindicated, thirty-eight weeks is not contraindicated.

　　Measures suggested

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

　　2, use must follow the doctor's advice, in strict accordance with the doctor's instructions for use and dosage.

　　Matters needing attention

　　Use in the third trimester has no significant effect on the fetus.