Platelet CountBlood PlateletsPlatelet AggregationPregnancyThrombocytopeniaPregnancy OutcomePregnancy ComplicationsPlatelet AdhesivenessPregnancy, AnimalPlatelet TransfusionPlatelet Membrane GlycoproteinsThrombocytosisBlood Cell CountPregnancy, EctopicPlatelet Factor 4Leukocyte CountPurpura, Thrombocytopenic, IdiopathicPlatelet Function TestsPregnancy Trimester, FirstPregnancy RatePregnancy Trimester, ThirdMegakaryocytesPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX ComplexBleeding TimePregnancy Complications, CardiovascularPlatelet Activating FactorPregnancy TrimestersThrombopoietinPregnancy TestsPurpura, ThrombocytopenicPregnancy Complications, HematologicPregnancy, MultiplePregnancy in DiabeticsThrombinAntigens, Human PlateletPregnancy, TubalPregnancy Trimester, SecondFibrinogenPregnancy Complications, NeoplasticThrombopoiesisPregnancy in AdolescenceSplenectomyPregnancy Complications, InfectiousAdenosine DiphosphateThrombosisTime FactorsInfant, NewbornHELLP SyndromeHemostasisAbortion, SpontaneousCD4 Lymphocyte CountP-SelectinErythrocyte CountBlood CoagulationGestational AgePregnancy ProteinsDisseminated Intravascular CoagulationPre-EclampsiaPregnancy, UnplannedPregnancy, High-RiskRetrospective StudiesProspective Studiesvon Willebrand FactorPregnancy, UnwantedThrombocythemia, EssentialHemorrhageBlood Coagulation DisordersProthrombin TimeRisk FactorsHematocritReceptors, ThrombopoietinCell CountPlatelet Membrane Glycoprotein IIbHematologic TestsTreatment OutcomeAspirinPlacentaHypersplenismBlood Coagulation TestsPregnancy, ProlongedPregnancy, TwinFetal DeathCohort StudiesThromboxane A2Partial Thromboplastin TimePlateletpheresisUterusAbortion, InducedHeparinCollagenPregnancy, AbdominalPlatelet Factor 3Pregnancy Complications, ParasiticBlood Coagulation FactorsHematologySerotoninPregnancy MaintenanceUltrasonography, PrenatalThrombocytopenia, Neonatal Alloimmune