Pregnancy ComplicationsPregnancyPregnancy OutcomeVaccinesPre-EclampsiaHypertension, Pregnancy-InducedPregnancy Complications, CardiovascularPregnancy Complications, HematologicFemale Urogenital Diseases and Pregnancy ComplicationsVaccines, InactivatedPregnancy Trimester, FirstViral VaccinesPregnancy, EctopicAbortion, SpontaneousPregnancy Complications, NeoplasticFetal Growth RetardationAbruptio PlacentaePremature BirthVaccines, DNAVaccines, CombinedVaccines, SyntheticPregnancy, AnimalBacterial VaccinesPlacentaPregnancy Trimester, SecondUterine ArteryPregnancy Trimester, ThirdPostoperative ComplicationsCivil DisordersAIDS VaccinesPlacenta DiseasesInfant, NewbornPregnancy Complications, InfectiousEclampsiaObstetric Labor, PrematurePregnancy, TwinClinical Trials as TopicGestational AgePlacental CirculationDiabetes, GestationalCongenital AbnormalitiesTrophoblastsVaccines, SubunitFetal DeathVaccines, ConjugatePreconception CarePregnancy, High-RiskPregnancy, MultipleCesarean SectionObstetric Labor ComplicationsPrenatal CareVaccinationStillbirthRisk FactorsInfant, Small for Gestational AgeUterusAbortion, HabitualUltrasonography, PrenatalMalaria VaccinesPregnancy ProteinsBirth WeightPregnancy RateMaternal AgeRetrospective StudiesProspective StudiesParityPapillomavirus VaccinesAntibodies, AntiphospholipidPlacental InsufficiencyPregnancy TrimestersPlacentationMultiple Birth OffspringTreatment OutcomePregnancy TestsMeningococcal VaccinesDelivery, ObstetricMaternal-Fetal ExchangePregnancy in DiabeticsHepatitis B VaccinesPregnancy, TubalAntiphospholipid SyndromeMeasles VaccineCohort StudiesMaternal WelfareReproductive Techniques, AssistedInfant, Low Birth WeightFetal DevelopmentPertussis VaccineFertilization in VitroBCG VaccineFetal Membranes, Premature RuptureHaemophilus VaccinesTime FactorsPoliovirus Vaccine, InactivatedRabies VaccinesPregnancy in AdolescenceOdds RatioRotavirus VaccinesCholera VaccinesDecidua