Bibliographic Details
| Title: |
Three-stage pattern of rapid increase, plateau, and subsequent decline in vitamin D concentration during pregnancy among Chinese women: a large-scale survey |
| Authors: |
Huabin Wang, Feifang Zhang, Bingxian Li, Miao Fu, Xiaoyun Shan, Yongjun Ma |
| Source: |
Frontiers in Nutrition, Vol 10 (2023) |
| Publisher Information: |
Frontiers Media S.A., 2023. |
| Publication Year: |
2023 |
| Collection: |
LCC:Nutrition. Foods and food supply |
| Subject Terms: |
vitamin D, pregnant women, deficiency odds, gestational weeks, non-linear change, Nutrition. Foods and food supply, TX341-641 |
| More Details: |
BackgroundThere is an incomplete understanding of fluctuations in vitamin D (VitD) concentration during pregnancy among Chinese women. Furthermore, previous research has yielded conflicting results in this area. This study aims to investigate the changes in VitD status and deficiency in Chinese pregnant women across various age groups, gestational weeks, and as well as seasonal variations through conducting a large-scale survey.MethodsA toal of 11,220 Chinese pregnant women between 2021 and April 2023 were included in this study. Generalized additive models (GAM), stratified analysis, and restricted cubic splines (RCS) were used to analyze changes in VitD status and deficiency risk during pregnancy.ResultsOf the participants, 45.2% had deficient concentration of 25-hydroxyvitamin D. VitD concentration and deficiency rate do not show linear changes with age and gestational weeks. With increasing gestational weeks, VitD concentration rapidly increased in women with gestational age < 20 weeks, remained stable between 20 and 30 weeks, and decreased beyond 30 weeks; however, the odds of VitD deficiency showed three different patterns: a rapid decline, a stable period, and a mild increase, respectively. Based on the stratified regression analysis, VitD deficiency odds increased by 16% with each additional week of gestation in pregnant women with gestational age > 30 weeks, OR = 1.16 (1.10–1.22), p |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
2296-861X |
| Relation: |
https://www.frontiersin.org/articles/10.3389/fnut.2023.1238389/full; https://doaj.org/toc/2296-861X |
| DOI: |
10.3389/fnut.2023.1238389 |
| Access URL: |
https://doaj.org/article/9cda294aa3dd451b8072e41e3406c9b0 |
| Accession Number: |
edsdoj.9cda294aa3dd451b8072e41e3406c9b0 |
| Database: |
Directory of Open Access Journals |
