Article

First Establishment of Trimester- and Season-Specific Serum 25(OH)D Reference Intervals in Shaanxi Pregnant Women: Addressing General Population Standard Limitations for Precise Perinatal Vitamin D Supplementation

2026-04-19

Abstract excerpt

<title>Abstract</title> <p> <bold>Background</bold> Current clinical practice relies on general population reference intervals (RIs) for serum 25-hydroxyvitamin D (25(OH)D), which fail to account for pregnancy-specific physiological changes and seasonal fluctuations—leading to misclassification of deficiency/insufficiency and inappropriate supplementation. This study aimed to for the first time establish trimes...

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Literature Corpus work: 8b47188c-fd12-5768-a474-2b9c3f2356d6
DOI: 10.21203/rs.3.rs-9067533/v1

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First Establishment of Trimester- and Season-Specific Serum 25(OH)D Reference Intervals in Shaanxi Pregnant Women: Addressing General Population Standard Limitations for Precise Perinatal Vitamin D SupplementationDOI 10.21203/rs.3.rs-9067533/v1Read

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