AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth CareGeographicals
Premature BirthObstetric Labor, PrematureInfant, PrematurePregnancyInfant, NewbornBirth WeightGestational AgeInfant, Low Birth WeightPregnancy OutcomeFetal Membranes, Premature RuptureCerclage, CervicalInfant, Premature, DiseasesBirth RatePregnancy ComplicationsInfant, Small for Gestational AgeUterine Cervical IncompetenceChorioamnionitisCervical Length MeasurementInfant MortalityBirth CertificatesTerm BirthStillbirthCervix UteriInfant, Extremely PrematureTocolytic AgentsPregnancy Trimester, SecondPregnancy, High-RiskRisk FactorsPrenatal CareMaternal AgeFetal DeathCohort StudiesAmniotic FluidPregnancy, MultiplePregnancy Complications, InfectiousBirth OrderBirth IntervalsDelivery, ObstetricParityPerinatal CareRespiratory Distress Syndrome, NewbornCesarean SectionInfant, Very Low Birth WeightMultiple Birth OffspringMaternal ExposureHydroxyprogesteronesDevelopmental DisabilitiesAdministration, IntravaginalLogistic ModelsProspective StudiesVaginosis, BacterialCervical RipeningBronchopulmonary DysplasiaCongenital AbnormalitiesPregnancy Trimester, ThirdFetal Growth RetardationLabor, InducedIntensive Care Units, NeonatalChild DevelopmentIntensive Care, NeonatalOdds RatioTwinsPre-EclampsiaExtraembryonic MembranesTocolysisMothersPregnancy, TwinParturitionInfant CareLabor, ObstetricPessariesProgestinsAbortion, SpontaneousPerinatal MortalityVital StatisticsSocioeconomic FactorsUltrasonography, PrenatalUreaplasma InfectionsFetal DevelopmentBetamethasoneTripletsApgar ScoreMaternal WelfareVaginaPregnancy Trimester, FirstRetrospective StudiesInfant, Newborn, DiseasesPlacentaCase-Control StudiesLabor OnsetAfrican AmericansAbruptio PlacentaeUnited StatesGravidityInfant WelfarePreconception CareFetusRetinopathy of PrematurityAmnionPrenatal Exposure Delayed Effects