RESEARCH ARTICLE

• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Arkhangelsk
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.659.7284; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4162961/pdf/12884_2014_Article_1176.pdf

Early pregnancy body ma spontaneous preterm birt rjib we lem with implications for maternal and child health. About 45 % of Russian women are overweight or obese, al-natal health care [3]. PTB is a frequent and unfavorable pregnancy outcome Sharashova et al. BMC Pregnancy and Childbirth 2014, 14:303 http://www.biomedcentral.com/1471-2393/14/303The prevalence of PTB among overweight and obeseTroitski 51, office 1252, 163001 Arkhangelsk, Russia Full list of author information is available at the end of the articlethough the estimates vary between regions [1]. The preva-lence of underweight is much lower than the prevalence of overweight and obesity. Less than 4 % of Russian women between the ages of 18 and 49 are underweight [2]. defined as delivery before 37 completed weeks of gesta-tion. The prevalence of PTB is 11-12.9 % worldwide [4,5] and 6.2 % in Europe [5] while Russian studies have re-ported a prevalence of 5.2- 8.7 % [6-8]. PTB is one of the main contributors to neonatal mortality, neonatal morbid-ity and childhood morbidity and is associated with consid-erable burden for health care system [9]. Many studies have examined associations between ma-ternal obesity and PTB, often with conflicting results.