“…Coagulation factors, including antithrombin III, protein C, protein S, plasminogen, fi brinogen, antinuclear antibody, and anticardiolipin antibody did not appear to have any defect predisposing to thrombophilia. 1 There was no homocysteine serum concentration, prothrombin gene mutation, factor V Leiden mutation, or methylene tetrahydrofolate reductase gene mutation.…”