F2 and antiphospholipid syndrome: Abbreviations: VTE–venous thromboembolism, HRT–hormone replacement therapy, AVK–antivitamin K, FVL–factor V Leiden, PT G20210A–prothrombin G20210A, TAFI–thrombin activatable fibrinolysis inhibitor, PAI–1–plasminogen activator inhibitor 1, T–PA–tissue plasminogen activator, APS–antiphospholipid syndrome, LA–lupus anticoagulant, Abeta2GP1–anti beta2 glycoprotein 1.