Antibodies, AntiphospholipidAntiphospholipid SyndromeAntibodies, AnticardiolipinLupus Coagulation Inhibitorbeta 2-Glycoprotein IPhospholipidsAntibodiesCardiolipinsThrombosisLupus Erythematosus, SystemicBlood CoagulationAbortion, HabitualAntibody SpecificityThrombophiliaAntibodies, MonoclonalAutoantibodiesCatastrophic IllnessImmunoglobulin GSneddon SyndromeAntibodies, ViralGlycoproteinsPartial Thromboplastin TimeBlood Coagulation FactorsAnticoagulantsImmunoglobulin MAntibodies, BacterialPregnancy Complications, HematologicHydroxychloroquinePregnancyPregnancy ComplicationsDisseminated Intravascular CoagulationProthrombinSkin Diseases, VascularBlood Coagulation TestsBlood Coagulation DisordersThromboplastinLupus Vasculitis, Central Nervous SystemAntibodies, AntinuclearAntibody FormationBinding Sites, AntibodyAntibodies, NeutralizingAbortion, SpontaneousWarfarinPhosphatidylserinesPanniculitis, Lupus ErythematosusVenous ThrombosisAntibody AffinityEnzyme-Linked Immunosorbent AssayAnetodermaPulmonary EmbolismAnnexin A5Factor VEpitopesActivated Protein C ResistanceFluorescent Antibody TechniqueAspirinFetal DeathAutoimmune DiseasesThromboembolismThrombin TimeProtein CThrombocytopeniaAntibodies, Anti-IdiotypicHeparinGangreneHeparin, Low-Molecular-WeightEclampsiaMyelitis, TransverseMolecular Sequence DataTrophoblastsCross ReactionsRisk FactorsThrombophlebitisPregnancy OutcomeHIV AntibodiesAmino Acid SequenceBiological MarkersEndocarditisAntibodies, NeoplasmAntibodies, ProtozoanThrombinPhosphatidylethanolaminesProthrombin TimeImmunoglobulin APhosphatidylcholinesCells, CulturedProtein BindingHeart Valve DiseasesAntigen-Antibody ReactionsInternational Normalized RatioProspective StudiesVenous ThromboembolismPhospholipid Transfer ProteinsVasculitisMice, Inbred BALB CHLA-DR2 AntigenBlood PlateletsPlasmapheresisProtein STime Factors