Immune SeraPregnancyPregnancy OutcomePregnancy ComplicationsPregnancy, AnimalPregnancy, EctopicPregnancy Trimester, FirstImmune SystemAntibodies, BacterialPregnancy Trimester, ThirdPregnancy RateCross ReactionsPregnancy Complications, CardiovascularPregnancy TrimestersImmunoglobulin GPregnancy TestsNeutralization TestsPregnancy, MultiplePregnancy in DiabeticsPregnancy, TubalPregnancy Trimester, SecondImmunizationAntibodies, ViralImmunization, PassiveEpitopesPregnancy Complications, NeoplasticAntigens, BacterialPregnancy in AdolescenceEnzyme-Linked Immunosorbent AssayPregnancy Complications, InfectiousMice, Inbred BALB CAntibody SpecificityRabbitsAntibodies, ProtozoanAbortion, SpontaneousAntibody FormationPregnancy ProteinsAntigens, ProtozoanAntibodies, NeutralizingPregnancy, UnplannedPregnancy, High-RiskOpsonin ProteinsPregnancy, UnwantedAntigen-Antibody ReactionsGestational AgeImmune ToleranceInfant, NewbornPregnancy Complications, HematologicAntigens, ViralComplement System ProteinsPlacentaAntibodies, MonoclonalPre-EclampsiaAntibodiesMice, Inbred C57BLEpitopes, B-LymphocytePregnancy, ProlongedVaccinationPregnancy, TwinLiver Abscess, AmebicImmunoglobulin MComplement Fixation TestsBacterial VaccinesMolecular Sequence DataFetal DeathAntigens, SurfaceUterusPregnancy Complications, ParasiticAntigen-Antibody ComplexVaccines, SyntheticAbortion, InducedPhagocytosisImmunity, InnatePregnancy, AbdominalFluorescent Antibody TechniqueAmino Acid SequencePregnancy MaintenanceHemagglutination TestsMaternal-Fetal ExchangePlasmodium falciparumEmbryo ImplantationAntigensBacterial Outer Membrane ProteinsUltrasonography, PrenatalEmbryo TransferHorsesFertilization in VitroSpecies SpecificityPrenatal CareEpitope MappingAntibodies, FungalPrenatal Exposure Delayed EffectsParityMice, Inbred C3HAdjuvants, ImmunologicImmune EvasionImmunity, CellularCell LineT-LymphocytesBirth Weight