F2 and thrombophilia: Thrombophilia and hemorrhagic study (prothrombin, activated partial thromboplastin and thrombin times; plasma concentration of fibrinogen, coagulation factors, antithrombin III, protein C and S; lupus anticoagulants; and molecular study of factor V Leiden, prothrombin, methylenetetrahydrofolate reductase, and plasminogen activator inhibitor-1 genes) were within normal limits.