PubMed · 1985 · 27 citations · 0 references
MedicineMaternal HealthObstetricsMaternal-fetal MedicineObstetric ComplicationsPreterm BirthEtiology Of Preterm BirthPerinatal Risk FactorsPregnancyPreterm Birth EpidemiologyPreterm LaborRisk Factors For Preterm BirthObstetric Risk AssessmentObstetric Risk StratificationPreterm Birth PrevalencePreterm Birth Risk StratificationPreterm Delivery Risk Assessment