Goal. To determine the level of prevalence of risk factors of high perinatal losses in the lowland regions with different demographic condition. Materials and methods. Documents of pregnancies finished after a full 22nd gestation week during 2012-2014 years: Sabirabad - 7675, Beylagan - 3709, Barda - 10671 and Ujar – 3975 cases. High-risk factors (births before age of 18, after the age of 34, 4 and more number of births, birth spacing less than 24 months) have been registered and their frequency, quality signs statistics methods have been developed. Conclusions. It was determined that the condition in regions of low-lying areas differ because of level of intervention in the birth, also because of risk factors among women giving birth. The range of risk factors mong women with first childbirth during 18-34 ages have changed a between 24.5 ± 0.68% and 28.7 ±0.44%, women with first childbirth until 18 years old - 0-1,9± 0.22%, and after 34 years as 0 3± 0.24% ± 0.06% ,interest rate varied between 9.8. The level of high prevalence of risk factors in these regions, doesn’t differ from the same data taken among different populations of the world. The most important feature is spreading of several risk factors (4 and more childbirth cases, giving birth after the age of 34, interval between birthes<24 months) more than others.
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