PubMed · 1969 · 61 citations · 0 references
MedicineMaternal HealthObstetricsHigh-risk PregnancyPreterm BirthReproductive HealthPerinatal MortalityPerinatal Risk FactorsPrediction Of Preterm BirthPregnancyPreterm Birth EpidemiologyRisk Factors For Preterm BirthPregnancy Loss RiskPreterm Birth Risk AnalysisPreterm Delivery Risk Assessment