Vitamin D status of pregnant women in Shanghai, China

Tao, Minfang; Shao, Huaizong; Jin-hong, GU; Zhen, Zhe

doi:10.3109/14767058.2011.569613

Cited by 39 publications

(32 citation statements)

References 15 publications

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“…26 Several studies from our neighbouring countries confirmed the vitamin D deficiency; for instance, two cross-sectional studies conducted in Shanghai, China found that majority of the PW (69%) had vitamin D deficiency with mean level of 17.57 ±11.44 ng/ml. 27 A study from India found that high prevalence of physiologically significant hypovitaminosis D among PW and their newborns. 28 In Bangladesh, hypovitaminosis D is common in women regardless of age, lifestyle and clothing.…”

Section: Discussionmentioning

confidence: 99%

Pattern Of Vitamin D Among Pakistani Pregnant Women

Nasir¹,

Imran²,

Zaidi³

2018

J Coll Physicians Surg Pak

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Vitamin D deficiency is an emerging health concern around the world, highly prevalent in south Asian population, despite abundant sunlight. In Pakistan, all age groups are vulnerable to Vitamin D deficiency including pregnant women. This systematic review aimed to determine the pattern of Vitamin D deficiency among Pakistani pregnant women as well as exploring the causes and possible interventions that have had a substantial effect on improving the vitamin D level. Three databases (PubMed, Pub Get and Google Scholar), for the present review up to 2016, were used for the identification of published peer reviewed original relevant studies regarding Vitamin D deficiency among Pakistani pregnant women with the keywords Vitamin D or 25-hydroxyvitamin D or 25(OH)D in combination with pregnant women. Five studies were included for the final analysis. Vitamin D deficiency was common and highly prevalent among Pakistani pregnant women and their neonates. The main reasons for this were found to be avoiding sun exposure, quality of diet, and lower intake of calcium. Maternal vitamin D supplementation was found to be a key intervention to improve the maternal and neonatal vitamin D status. These review findings can be emerging in ensuring the adequate vitamin D level for Pakistani pregnant women during pregnancy, ultimately to achieve positive maternal and neonate's health outcomes.

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Section: Discussionmentioning

confidence: 99%

Pattern Of Vitamin D Among Pakistani Pregnant Women

Nasir¹,

Imran²,

Zaidi³

2018

J Coll Physicians Surg Pak

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“…Currently, the judgment standards used in China take VD above 30 ng/ml as the best level, below 20 ng/ml as VD insufficiency while VD below 12 ng/ml is diagnosed as VD deficiency [10]. According to the above judgment standards in China, VD level in Chinese people is generally low and the rates of adult VD deficiency in different regions are all above 50% [17–19]. Therefore, China’s Guide for Healthy Application of Vitamin D in Adult Skeleton in 2014 pointed out that for people who are in VD insufficiency, deficiency and not easy to supplement VD from food or sunlight and other physiologic ways, they should make appropriate daily VD supplement to prevent the occurrence of calcium deficiency, osteoporosis and other diseases [10].…”

Section: Discussionmentioning

confidence: 99%

Survey on the levels of 25-hydroxy vitamin D and bone metabolic markers and evaluation of their correlations with osteoporosis in perimenopausal woman in Xi’an region

Zhou

et al. 2017

PLoS ONE

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It has been accepted that vitamin D (VD) plays an important role in bone metabolism. However, the levels of VD in people of different regions are quite different and there is still no final conclusion on the significant correlation between VD and osteoporosis. 245 cases of peri-menopausal women were collected to study the relationship between VD and osteoporosis in western China. The mean value of 25-hydroxyvitamin D for the participants was 14.39 ng/mL. The average values of parathyroid hormone (PTH), calcium (Ca) and phosphorus (P) were 47.62 pg/mL, 2.26 mmol/L and 1.18 mmol/L, respectively. The average value of bone mineral density (BMD) in lumbar vertebrae was -1.20 SD and that in femoral neck was -0.04 SD. Compared with normal group, PTH of VD deficiency group was significantly increased (P < 0.05), Ca was remarkably decreased (P < 0.01) while the BMD between these two groups showed no significant difference (P > 0.05). VD was in positive correlation with the age (P < 0.01) and Ca (< 0.01) of the participants, negative correlation with PTH (P < 0.01) while no significant correlation with the BMD of lumbar vertebrae and femoral neck (P > 0.05). The risk factors resulting in the occurrence of osteoporosis in the lumbar vertebrae of the participants covered Ca increase (OR = 66.247, P<0.05), age growth (OR = 1.194, P<0.01) and menopause (OR = 2.285, P<0.05). This study has found that the status of VD deficiency showed no significant correlation with the level of BMD, which hinted that independent measurement of the bone metabolic markers, including Ca, P, VD and PTH, was difficult to accurately reflect the status of BMD in peri-menopausal women of this region. It’s necessary to combine multi-site bone scanning to diagnose the patients’ status of osteoporosis so as to provide reasonable guidance for early clinical prevention and treatment.

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“…Outcomes of pregnant women, fetuses and live births grouped according to vitamin D status Two cross-sectional studies with small sample sizes conducted in Shanghai22 (located 31.1ºN) and Chengdu 23 (located 30.…”

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confidence: 99%

Associations between 25-hydroxyvitamin D levels and pregnancy outcomes: a prospective observational study in southern China

et al. 2014

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The prevalence of low level of vitamin D (serum 25OHD ⩽20 ng/ml) was 18.9% among pregnant women in southern China. There were no significant differences in most adverse pregnancy outcomes among pregnant women with different levels of vitamin D at 16-20-week gestation except for higher prevalence of gestational diabetes and preterm delivery in women with high level of vitamin D, possibly related to the older age and higher body mass index of this group.

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Vitamin D status of pregnant women in Shanghai, China

Abstract: Vitamin D deficiency and insufficiency were common in pregnant Chinese women and routine screening as well as prophylactic measures should be considered.

Cited by 39 publications

References 15 publications

Pattern Of Vitamin D Among Pakistani Pregnant Women

Pattern Of Vitamin D Among Pakistani Pregnant Women

Survey on the levels of 25-hydroxy vitamin D and bone metabolic markers and evaluation of their correlations with osteoporosis in perimenopausal woman in Xi’an region

Associations between 25-hydroxyvitamin D levels and pregnancy outcomes: a prospective observational study in southern China

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