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Gestational Age and Maternal Serum 25-hydroxyvitamin D Concentration Interact to Affect the 24,25-dihydroxyvitamin D Concentration in Pregnant Adolescents

NutritionPregnant AdolescentsPediatricsGestational AgeGynecologyWomen's HealthMaternal Health24,25-Dihydroxyvitamin D ConcentrationMaternal-fetal MedicineMaternal NutritionPublic HealthMedicinePregnancy NutritionHigh-risk Pregnancy