Fluorescent Treponemal Antibody-Absorption TestCardiolipinsAbortion, HabitualAbortion, SpontaneousAntibodiesAntibody SpecificityAntibodies, ViralPregnancyAbortion, ThreatenedAntibodies, MonoclonalAntibodies, BacterialTransferases (Other Substituted Phosphate Groups)Abortion, IncompleteAntibody FormationAntibodies, NeutralizingPregnancy Trimester, FirstPhospholipidsPregnancy OutcomeAntibody AffinityAbortion, MissedFluorescent Antibody TechniqueAntibodies, AntiphospholipidPhosphatidylglycerolsBinding Sites, AntibodyAntibodies, Anti-IdiotypicAntibodies, AntinuclearAntibodies, AnticardiolipinDilatation and CurettageGestational SacAutoantibodiesEpitopesHIV AntibodiesAntiphospholipid Syndrome