Abstract:Objective To investigate Vitamin D deficiency or insufficiency, and its influential factors among pregnant women in Tongzhou District of Beijing. Methods A total of 30 193 single live births were selected from the electronic information system of Tongzhou Maternal and Child Health Hospital from 2015 to 2017, Vitamin D testing was carried out in 17 351 births (57.5%). Most of the pregnant were 25-35 years, Han ethnicity, primiparity and had obtained college degree. Serum vitamin D> 30 ng/ml was regarded as adequacy. The prevalence of serum Vitamin D deficiency (≤ 20 ng/ml), insufficiency (20<~<30 ng/ml) in pregnant women was analyzed. Potential factors that would influence Vitamin D status were also analyzed. Results Among 17, 351 pregnant women, 32.7% of them were Vitamin D deficiency and 29.4% were vitamin D insufficiency. The risk factors for Vitamin D deficiency/insufficiency were age < 30 years, pre-pregnancy overweight [OR=1.21, 95%CI (1.11,1.31)] and obesity [OR=1.40, 95%CI (1.21, 1.61)]. The protective factors for Vitamin D deficiency/insufficiency were primiparous [OR=0.74, 95%CI (0.69, 0.80)], examination conducted in summer [OR=0.39, 95%CI (0.36, 0.43)] and autumn [OR=0.48, 95%CI (0.44, 0.53)]. Conclusion Vitamin D deficiency or insufficiency was prevalent among pregnant women in Tongzhou District which should be paid attention. Age of delivery,parity, pre-pregnancy weight status, and detection season were associated with Vitamin D status. Nutrition intervention should target at young pregnant women and women with pre-pregnancy overweight/obesity.
焦明远,刘峥,王海俊,周倩龄. 北京市通州区妊娠妇女维生素D营养状况及其影响因素[J]. 中国生育健康杂志, 2019, 30(4): 301-305.
JIAO Mingyuan, LIU Zheng, WANG Haijun, ZHOU Qianling. Vitamin D status and its influential factors among pregnant women in Tongzhou District of Beijing. Chinese Journal of Reproductive Health, 2019, 30(4): 301-305.
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