Mechanical Aortic Valve Thromboembolism During Pregnancy on Low Molecular Weight Heparin

A 31-year-old pregnant woman with a mechanical aortic valve developed a thrombus on her mechanical aortic valve due to subtherapeutic low molecular weight heparin dosage. She received intravenous heparin followed by warfarin. low molecular weight heparin dosing in pregnancy should be individualized, considering weight, physiological changes, and adjusted based on levels.