Longitudinal Assessment of Serum 25-Hydroxyvitamin D Levels during Pregnancy and Postpartum-Are the Current Recommendations for Supplementation Sufficient?

ABSTRACT: (1) Background: Pregnant women are at risk of vitamin D deficiency. Data on pregnancy outcomes in women with vitamin D deficiency during pregnancy are controversial, and prospective longitudinal data on vitamin D deficiency with consistent definitions in pregnant women are scarce. (2) Methods: The aim of this prospective longitudinal cohort study was to investigate 25-hydroxyvitamin D levels over the course of pregnancy and postpartum in singleton and twin pregnancies with regard to dietary and supplemental vitamin D intake and environmental factors influencing vitamin D levels, evaluated by a standardized food frequency questionnaire. (3) Results: We included 198 healthy singleton and 51 twin pregnancies for analysis. A total of 967 study visits were performed over a 3-year period. Overal

SUBMITTER: Palmrich P 

PROVIDER: S-EPMC9863354 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature