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5 . 2020

Maternal vitamin D status and association with neonatal anthropometric measures

Abstract

Pregnant women are at risk of developing vitamin D insufficiency or deficiency. Vitamin D status has a great impact on both pregnancy and the fetus.

The aim of the study was to evaluate the maternal serum vitamin D level and its impact on the neonatal anthropometric measures.

Material and methods. A prospective study among 71 pregnant women aged 19 to 40 years was carried out. Women with a gestation period of 12-15 weeks between October to April were included in this study. A survey of pregnant women was conducted and the maternal serum total vitamin D [25 (OH) D2 and D3] level was determined by enzyme immunoassay. Neonatal anthropometric parameters (weight, body length, weigjht-length ratio) were measured.

Results and discussion. Vitamin D deficiency was observed in 41 (57.7%) of pregnant women, insufficiency - in 7 (9.9%), and the optimal level - in 23 (32.4%) of examined women. Women with vitamin D deficiency were more likely to have a miscarriage in anamnesis than women with optimal D status (OR - 9.06; 95% CI: 1.11-73.86, р=0.0396). We have not established the influence of other factors (age, social status, body mass index, number of pregnancies) on the maternal D-status. There were no significant differences between indicators of weight by age, body length of a child by age, and Apgar scores depending on the vitamin-D status of pregnant women.

Conclusion. The study showed that the optimal vitamin D level is observed only in 32.4%, and its deficiency or insufficiency occurs in 67.6% of pregnant women. The study did not reveal the correlation between maternal vitamin-D status and neonatal anthropometric measures. Taking into account the trend towards lower weight-length ratio to gestational age of the newborns from mothers with vitamin D deficiency/insufficiency, further studies are needed.

Keywords:vitamin D, pregnant women, neonatal anthropometric measures

Funding. The study did not have sponsorship.

Conflict of interests. The authors declare no conflict of interests.

For citation: Boychuk A.V., Budnik T.A., Boyarchuk O.R. Maternal vitamin D status and association with neonatal anthropometric measures. Voprosy pitaniia [Problems of Nutrition]. 2020; 89 (5): 80-8. DOI: https://www.doi.org/10.24411/0042-8833-2020-10068 (in Russian)

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CHIEF EDITOR
CHIEF EDITOR
Viktor A. Tutelyan
Full Member of the Russian Academy of Sciences, Doctor of Medical Sciences, Professor, Scientific Director of the Federal Research Centre of Nutrition, Biotechnology and Food Safety (Moscow, Russia)
Medicine today

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