TriploidyPregnancyPolyploidyHydatidiform MoleTrisomyPregnancy OutcomePregnancy ComplicationsPregnancy, AnimalPregnancy Trimester, FirstDiploidyChromosome DisordersAbortion, SpontaneousPregnancy, EctopicEquisetumFetal DiseasesGestational AgeChromosome AberrationsPregnancy RatePregnancy Trimester, ThirdUltrasonography, PrenatalZygotePregnancy Complications, CardiovascularPregnancy TrimestersPregnancy TestsKaryotypingChromosomes, Human, Pair 13Pregnancy, MultiplePloidiesPrenatal DiagnosisUterine NeoplasmsPregnancy in DiabeticsChromosomes, Human, Pair 18Pregnancy, TubalPregnancy Trimester, SecondPregnancy Complications, NeoplasticDown SyndromePregnancy in AdolescencePregnancy Complications, InfectiousPregnancy ProteinsPregnancy, UnplannedPregnancy, High-RiskAneuploidyPregnancy, UnwantedPregnancy Complications, HematologicSpermatozoaPregnancy, ProlongedInfant, NewbornPre-EclampsiaPregnancy, TwinPlacentaFetal DeathAbortion, InducedPregnancy, AbdominalUterusPregnancy Complications, ParasiticPregnancy MaintenanceEmbryo ImplantationEmbryo TransferPrenatal CareFertilization in VitroMicrosatellite RepeatsMaternal-Fetal ExchangeParityPrenatal Exposure Delayed EffectsBirth WeightPregnancy Reduction, Multifetal