PregnancyPregnancy OutcomePregnancy ComplicationsPregnancy, AnimalPregnancy, EctopicPregnancy Trimester, FirstAdolescent DevelopmentPregnancy RatePregnancy Trimester, ThirdPregnancy in AdolescencePregnancy Complications, CardiovascularPregnancy TrimestersPregnancy TestsPregnancy, MultiplePregnancy in DiabeticsPregnancy, TubalPregnancy Trimester, SecondLongitudinal StudiesAdolescent BehaviorPregnancy Complications, NeoplasticPregnancy Complications, InfectiousAbortion, SpontaneousInfant, NewbornPregnancy ProteinsPregnancy, UnplannedPregnancy, High-RiskGestational AgePregnancy, UnwantedAge FactorsAdolescent PsychologyPregnancy Complications, HematologicRisk FactorsPersonality DevelopmentPregnancy, ProlongedPrenatal Exposure Delayed EffectsPre-EclampsiaPregnancy, TwinPlacentaPubertyBirth WeightFetal DeathAbortion, InducedTwinsProspective StudiesCohort StudiesPeer GroupPregnancy, AbdominalUterusPregnancy Complications, ParasiticSex FactorsPregnancy MaintenancePrenatal CareUltrasonography, PrenatalEmbryo ImplantationEmbryo TransferJuvenile DelinquencyMaternal-Fetal ExchangeFertilization in VitroParityQuestionnairesAlcohol DrinkingParent-Child RelationsConduct DisorderMaternal AgeSocial EnvironmentInterpersonal RelationsPregnancy Reduction, MultifetalFollow-Up StudiesHypertension, Pregnancy-InducedMothersCesarean SectionAggressionFetal DevelopmentPremature BirthAntisocial Personality DisorderSubstance-Related DisordersTime FactorsSmokingFetal Growth RetardationProgesteroneMaternal ExposureFetusParentingChild DevelopmentSocioeconomic FactorsInfertility, FemaleInfant, Low Birth WeightAbnormalities, Drug-InducedLactationRejection (Psychology)DeciduaBody Mass IndexLabor, ObstetricInternal-External ControlObstetric Labor, PrematureCongenital AbnormalitiesCross-Sectional StudiesAgingBody WeightPrenatal Diagnosis