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Antiphospholipid Syndrome: Laboratory InvestigationsNote: Tests should be positive on two or more occasions, at least 12 weeks apartKey features:Vascular thrombosis (arterial or venous)Pregnancy morbidity:%u2022%u22653 unexplained consecutive miscarriages before 10 weeks gestation%u2022%u22651 second-trimester miscarriagePositive results for at least one of:%u2022Lupus anticoagulant%u2022Anticardiolipin antibody%u2022Anti-%u03b22-glycoprotein I antibody
