<prompt> Anti phospholipid syndrome APS is associated with all of the following except :PancytopeniaRecurrent aboionsVenous thrombosisPulmonary hypeension  <response>: Ans is a i.e Pancytopenia Venous thrombosis. Recurrent aboions and pulmonary hypeension are all seen in case of antiphospholipid syndrome. Antiphospholipid antibody syndrome leads to thrombocytopenia in 40-50 cases and hemolytic anemia in 25 cases but leucopenia is not seen in it. Also in causes of pancytopenia - No where is APS mentioned so. it is the best answer. Diagnostic Clinical Criteria for Antiphospholipid Antibody Syndrome : Thrombosis - Venous - Aerial small vessels. Adverse pregnancy outcome - 3 or more consecutive miscarriages 10 weeks. - 1 or more fetal deaths 10 weeks. - 1 or more preterm bihs due to severe pre-eclampsia or IUGR. Indications for Antiphospholipid antibody testing : 3 or more consecutive first trimester losses Unexplained 2nd or 3rd trimester loss Unexplained IUGR Early onset severe pre-eclampsia Unexplained thrombosis Autoimmune connective tissue disease like SLE False positive serological tests for syphilis 