Antiphospholipid syndrome (APS) is an autoimmune disease characterized by recurring venous and/or arterial thrombosis and the presence of circulating antiphospholipid antibodies. APS occurs as a primary condition or secondary to other disorders, mainly systemic lupus erythematosus (SLE). The diagnosis made on basis suggestive clinical findings one more following antibodies (LAC, aCL antibody aβ...