This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Antiphospholipid antibody syndrome is associated with all, EXCEPT: 
Select and explain. 
A. Recurrent aboion, B. Venous thrombosis, C. Pancytopenia, D. Antibody to lupus
C: Pancytopenia
Answer: C: Pancytopenia 
Explanation: Antiphospholipid antibody syndrome usually affects older women. It result from autoantibodies directed against phospholipid. Patients usually develop recurrent episodes of thrombosis, thrombocytopenia and recurrent aboions. Antibodies commonly found in these patients are anticardiolipin antibody IgG or IgM anti beta 2 glycoprotein 1 IgG or IgM, lupus anticoagulant. Treatment: Patients with APLA syndrome should be treated with anticoagulation for life. Warfarin is given to patients to maintain an INR of 2-3. Pregnant patients with APLAS are given subcutaneous heparin and low dose aspirin.