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6 . 2014

Bone mineral density in pregnant women from Moscow: possible effects of pregnancy dynamics and nutrients intake

AbstractSupporting of bone health is one of the main approaches to provide health in pregnant women considering intensive calcium and other mineral mobilization from mass bone that is necessary for forming fetus bone. This mobilization may lead to decrease of bone mineral density and development of osteopenia and osteoporosis. The important factors of development of bone impairment in pregnancy are nutrition and particular deficient consumption of protein, Ca, vitamin D. The possible role of reduced intake of pregnant women other nutrients remains unexplored. The aim of the research was estimating the prevalence of bone mineral density decrease in regard to the particular course of pregnancy and studying possible effects of key nutrients on bone mineral density in pregnant women. 131 women at different stages of pregnancy were involved in the survey. The bone density assessment was conducted using Bone Densitometer Omnisense 7000. As a criterion for bone density decrease in women used a Z-score, which was considered as normal to –1,0, as reduced from –1,0 to –2,0, and as significantly reduced when Z-score was less than -2,0. Analysis of the actual nutrition was performed by a 24-hour recording of 58 pregnant women. Normal bone mineral density was detected in 54 women or 41% of the total number of women surveyed. In 51 (39%) pregnant women reduced bone mineral density was discovered, and in 26 (20%) patients – significantly reduced bone density. There was a considerable deviation in pregnant patients’ diet from the nutrition guidelines, which include, in particular, the high content of fat and saturated fatty acid, reduced intake of some micronutrients such as calcium, zinc, folic acid, β -carotene, vitamins A, B1 , E. However, differences in the actual consumption of nutrients in women with varying bone mineral density have been identified only in case of consumption of fat and energy value of diets, also Mn and I. So, it may be suggested that the differences in bone mineral density between women in our study are caused by genetic polymorphism, which leads to differences in the actual demand for nutrients, sufficient for prevention of bone decrease, in individuals.

Keywords:bone mineral density, osteoporosis, pregnancy, nutrition

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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)

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