PregnancyPregnancy OutcomePregnancy ComplicationsPainPregnancy, AnimalPregnancy, EctopicChronic PainPain ManagementPregnancy Trimester, FirstPregnancy RatePregnancy Trimester, ThirdPain ThresholdPregnancy Complications, CardiovascularPregnancy TrimestersPregnancy TestsPain, PostoperativeBack PainLow Back PainPregnancy, MultiplePregnancy in DiabeticsPregnancy, TubalPregnancy Trimester, SecondPain MeasurementAbdominal PainNeck PainPregnancy Complications, NeoplasticPain, IntractablePregnancy in AdolescencePelvic PainPregnancy Complications, InfectiousPain PerceptionAbortion, SpontaneousFacial PainPregnancy ProteinsPregnancy, UnplannedPregnancy, High-RiskPregnancy, UnwantedAcute PainPain, ReferredGestational AgePregnancy Complications, HematologicInfant, NewbornPregnancy, ProlongedPre-EclampsiaPregnancy, TwinShoulder PainPlacentaMusculoskeletal PainFetal DeathAbortion, InducedUterusPregnancy, AbdominalPregnancy Complications, ParasiticPregnancy MaintenanceUltrasonography, PrenatalEmbryo ImplantationEmbryo TransferPrenatal CareFertilization in VitroProspective StudiesMaternal-Fetal ExchangeParityPrenatal Exposure Delayed EffectsAnalgesicsBirth WeightCesarean SectionPregnancy Reduction, MultifetalNociceptive PainMaternal AgeNeuralgiaHypertension, Pregnancy-InducedProgesteroneFetal Growth RetardationPremature BirthLabor, ObstetricInfertility, FemaleRisk FactorsTime FactorsAbnormalities, Drug-InducedLactationFetusFetal DevelopmentDeciduaQuestionnairesRetrospective StudiesCongenital AbnormalitiesAnalgesics, OpioidObstetric Labor, PrematureTreatment OutcomeTwinsPrenatal DiagnosisChorionic GonadotropinMaternal ExposureDiabetes, GestationalCohort StudiesPuerperal DisordersAbortion, TherapeuticDelivery, ObstetricTrophoblastsChronic Disease