FetusDrug Delivery SystemsPregnancyDelivery, ObstetricCampylobacter fetusTritrichomonas foetusGestational AgeFetal DiseasesUltrasonography, PrenatalCesarean SectionMaternal-Fetal ExchangeDrug CarriersInfant, NewbornFetal HeartDelivery of Health CareFetal Growth RetardationPrenatal DiagnosisPregnancy Trimester, SecondPlacentaGene Transfer TechniquesNanoparticlesFetal DeathHeart Rate, FetalSheepPregnancy Trimester, ThirdFetal DevelopmentAbortion, VeterinaryAmniotic FluidPregnancy ComplicationsGenetic TherapyGenetic VectorsUmbilical ArteriesEmbryonic and Fetal DevelopmentFetal WeightFetal BloodObstetric Labor, PrematureHydrops FetalisFetal HypoxiaPregnancy Trimester, FirstFetal MonitoringObstetric Labor ComplicationsLabor, ObstetricFetal DistressPregnancy OutcomeTritrichomonasParticle SizePremature BirthAmniocentesisPolyethyleneiminePolymersCrown-Rump LengthLiposomesFetal MovementDelayed-Action PreparationsPregnancy, AnimalDown SyndromeDelivery of Health Care, IntegratedNanocapsulesTime FactorsChemistry, PharmaceuticalNanomedicineLabor, InducedUmbilical CordBreech PresentationTrisomyHernia, DiaphragmaticMaternal AgePolyglycolic AcidUltrasonography, DopplerDrug CompoundingAdministration, CutaneousNuchal Translucency MeasurementAbortion, EugenicOligohydramniosPlacental InsufficiencyProtozoan Infections, AnimalParityChitosanPrenatal CareConvectionCardiotocographyHeart Defects, CongenitalPregnancy, High-RiskCongenital AbnormalitiesBlood Flow VelocityPregnancy, MultipleAdenoviridaeExtraction, ObstetricalUterusAbnormalities, Drug-InducedChromosome DisordersProspective StudiesCordocentesisLabor PresentationApgar ScorePregnancy in DiabeticsSkin AbsorptionFetal ViabilityBlood Transfusion, IntrauterineAnesthesia, Obstetrical