Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Antiphospholipid Antibody Syndrome ?
    ### Response:
    The signs and symptoms of antiphospholipid antibody syndrome (APS) are related to abnormal blood clotting. The outcome of a blood clot depends on its size and location.
                
Blood clots can form in, or travel to, the arteries or veins in the brain, heart, kidneys, lungs, and limbs.
    