Turner SyndromeDown SyndromePregnancy ComplicationsPregnancyEstriolPrenatal DiagnosisPregnancy Trimester, SecondPregnancy OutcomeSyndromePre-EclampsiaPregnancy Complications, CardiovascularMosaicismHypertension, Pregnancy-InducedPregnancy Trimester, FirstPregnancy Complications, HematologicFemale Urogenital Diseases and Pregnancy ComplicationsKaryotypingChromosomes, Human, XPregnancy, EctopicAbortion, SpontaneousPregnancy Complications, NeoplasticFetal Growth RetardationAbruptio PlacentaeSex Chromosome AberrationsPremature BirthOxandrolonePregnancy, AnimalPlacentaInfant, NewbornIsochromosomesMonosomyUterine ArteryPregnancy Trimester, ThirdPostoperative ComplicationsCivil DisordersPlacenta DiseasesGestational AgePregnancy Complications, InfectiousEclampsiaPregnancy, TwinObstetric Labor, PrematureUltrasonography, PrenatalGonadoblastomaHuman Growth HormoneCongenital AbnormalitiesPlacental CirculationFetal DeathUterusDiabetes, GestationalTrophoblastsMaternal AgePreconception CareRisk FactorsPregnancy, High-RiskPregnancy, MultipleCesarean SectionObstetric Labor ComplicationsRetrospective StudiesBody HeightRing ChromosomesStillbirthPrenatal CareInfant, Small for Gestational AgeAbortion, HabitualPregnancy ProteinsX ChromosomeBirth WeightTrisomyPregnancy RateGrowth DisordersAntibodies, AntiphospholipidAntiphospholipid SyndromeSex ChromatinRetrognathiaProspective StudiesChorionic Villi SamplingParityAge Determination by SkeletonAbnormal KaryotypeGonadal Dysgenesis, MixedAortic CoarctationKaryotypeAmniocentesisPlacental InsufficiencyPregnancy TrimestersPlacentationPubertyMultiple Birth OffspringY ChromosomePregnancy TestsOocyte DonationDelivery, ObstetricMaternal-Fetal ExchangeTreatment OutcomeCohort StudiesSocial AlienationMetacarpusGrowth HormoneChromosome DisordersFetal Diseases