PregnancyAlcohol AbstinencePregnancy OutcomePregnancy ComplicationsFood PreferencesPregnancy, AnimalBehavior, AddictiveAppetitePregnancy, EctopicAlcohol DeterrentsSmoking CessationCacaoPregnancy Trimester, FirstPregnancy RateDietary SucrosePregnancy Trimester, ThirdTobacco Use DisorderPregnancy Complications, CardiovascularPregnancy TrimestersPregnancy TestsPregnancy, MultipleSmokingPregnancy in DiabeticsPregnancy, TubalPregnancy Trimester, SecondCuesPregnancy Complications, NeoplasticNaltrexonePregnancy in AdolescencePregnancy Complications, InfectiousTasteAbortion, SpontaneousPregnancy ProteinsPregnancy, UnplannedSubstance Withdrawal SyndromePregnancy, High-RiskPregnancy, UnwantedDietary CarbohydratesGestational AgeFeeding BehaviorAlcoholismPregnancy Complications, HematologicAffectQuestionnairesPregnancy, ProlongedInfant, NewbornPre-EclampsiaPregnancy, TwinPlacentaFetal DeathDietary FatsAbortion, InducedPregnancy, AbdominalUterusPregnancy Complications, ParasiticPregnancy MaintenanceUltrasonography, PrenatalEmbryo ImplantationEmbryo TransferObesityPrenatal CareFertilization in VitroMaternal-Fetal ExchangeParityPrenatal Exposure Delayed EffectsBirth WeightPregnancy Reduction, MultifetalMaternal AgeTreatment OutcomeHypertension, Pregnancy-InducedCesarean SectionFetal Growth RetardationProgesteronePremature BirthInfertility, FemaleAbnormalities, Drug-InducedLactationFetal DevelopmentDeciduaFetusLabor, ObstetricObstetric Labor, PrematureCongenital AbnormalitiesTwinsPrenatal DiagnosisMaternal ExposureChorionic GonadotropinDiabetes, GestationalAbortion, TherapeuticTrophoblastsAbortion, HabitualProspective StudiesAbortifacient Agents, NonsteroidalInsemination, ArtificialDelivery, ObstetricFetal DiseasesPuerperal DisordersEndometriumSperm Injections, IntracytoplasmicRisk Factors