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Possible association of folic acid supplementation during pregnancy with reduction of preterm birth: a population-based study

NutritionWomen's HealthGynecologyMaternal HealthPregnancyFolic Acid SupplementationPrenatal CarePreterm Birth PreventionMaternal-fetal MedicineMaternal NutritionPossible AssociationPublic HealthMedicinePreterm BirthPregnancy NutritionHigh-risk Pregnancy