AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth Care
PlacentaPregnancy TrimestersPregnancy Trimester, FirstPregnancy Trimester, ThirdPregnancyPregnancy Trimester, SecondPregnancy ComplicationsPregnancy OutcomePregnancy, AnimalPlacenta DiseasesPregnancy, EctopicTrophoblastsGestational AgePlacenta PreviaPlacenta AccretaPregnancy Complications, CardiovascularPregnancy ProteinsUltrasonography, PrenatalPlacenta, RetainedPre-EclampsiaPregnancy Complications, InfectiousPregnancy in DiabeticsPregnancy RateChorionic VilliMaternal-Fetal ExchangePregnancy Complications, NeoplasticAbortion, SpontaneousPregnancy, MultiplePregnancy TestsInfant, NewbornFetusPregnancy, TubalPlacentationAbortion, InducedPregnancy, High-RiskFetal DeathDeciduaPregnancy in AdolescenceFetal Growth RetardationFetal DevelopmentUterusFetal DiseasesPregnancy Complications, HematologicPrenatal DiagnosisPregnancy Complications, ParasiticAmniotic FluidPregnancy, UnplannedBirth WeightPrenatal CarePrenatal Exposure Delayed EffectsCesarean SectionPregnancy, UnwantedPregnancy, TwinAbnormalities, Drug-InducedPlacental CirculationMaternal ExposurePremature BirthMaternal AgeChorionParityHypertension, Pregnancy-InducedLabor, ObstetricAbortifacient Agents, NonsteroidalPregnancy, AbdominalEmbryo ImplantationPregnancy MaintenanceObstetric Labor, PrematurePregnancy, ProlongedCrown-Rump LengthHydatidiform MoleChorionic GonadotropinProspective StudiesUterine HemorrhageFertilization in VitroDiabetes, GestationalAbortion, TherapeuticAbortion, HabitualChorionic Gonadotropin, beta Subunit, HumanExtraembryonic MembranesCongenital AbnormalitiesEmbryo TransferPlacental LactogenDown SyndromeMisoprostolProgesteroneChoriocarcinomaEmbryonic and Fetal DevelopmentFetal BloodTwinsInfant, Low Birth WeightDelivery, ObstetricAmniocentesisEndometriumPuerperal DisordersMaternal Nutritional Physiological PhenomenaAmnionChorionic Villi SamplingRisk FactorsFetal HeartInfant, Small for Gestational Age