Serum 25-hydroxyvitamin D levels and influencing factors in pregnant women from a District of Suzhou

doi:10.3877/cma.j.issn.1674-0785.2021.03.007

Abstract

Abstract:

Objective

To measure the serum 25-hydroxyvitamin D levels in pregnant women from a District of Suzhou and explore its influencing factors.

Methods

Two hundred healthy pregnant women who received routine prenatal examination in a District of Suzhou from October 2019 to June 2020 were selected. The content of serum 25-hydroxyvitamin D was detected by enzyme-linked immunosorbent assay.

Results

The average level of serum 25-hydroxyvitamin D in 200 pregnant women was (26.9±2.3) ng/ml. Only 12 (6.0%) pregnant women had sufficient 25-hydroxyvitamin D. Age and pre-pregnancy body mass index (BMI) had significant effects on serum 25-hydroxyvitamin D levels. Serum 25-hydroxyvitamin D level in pregnant women aged ≤ 25 years was significantly lower than those of pregnant women aged 26-29 years and 30-34 years (P＜0.05). Serum 25-hydroxyvitamin D level was significantly lower in pregnant women who were pre-pregnancy overweight and obese than in those who had a normal BMI (P＜0.05). Gestational weeks had no significant effect on 25-hydroxyvitamin D level in pregnant women (P＞0.05).

Conclusion

25-hydroxyvitamin D deficiency is common among pregnant women detected in this study, which has a certain correlation with age and BMI.

Key words: Pregnant women, 25-hydroxyvitamin D, Body mass index, Age

Qinghua Ma, Ping Huang, Yuhong Tang, Yaqin Lao. Serum 25-hydroxyvitamin D levels and influencing factors in pregnant women from a District of Suzhou[J]. Chinese Journal of Clinicians(Electronic Edition), 2021, 15(03): 191-193.

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Figures/Tables 2

References 12

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组别	人数	构成比（%）
年龄（岁）
≤25	58	29.0
26~29	90	45.0
30~34	41	20.5
≥35	11	5.5
孕期
孕早期	106	53.0
孕中期	87	43.5
孕晚期	7	3.5
孕前BMI（kg/m²）
＜18.5	19	9.5
18.5~24.5	139	69.5
＞24.5	42	21.0

组别	人数	构成比（%）
年龄（岁）
≤25	58	29.0
26~29	90	45.0
30~34	41	20.5
≥35	11	5.5
孕期
孕早期	106	53.0
孕中期	87	43.5
孕晚期	7	3.5
孕前BMI（kg/m²）
＜18.5	19	9.5
18.5~24.5	139	69.5
＞24.5	42	21.0

维生素D含量	人数	构成比（%）
缺乏（＜20 ng/ml）	87	43.5
不足（20~30 ng/ml）	101	50.5
充足（＞30 ng/ml）	12	6.0

维生素D含量	人数	构成比（%）
缺乏（＜20 ng/ml）	87	43.5
不足（20~30 ng/ml）	101	50.5
充足（＞30 ng/ml）	12	6.0

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