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The ocurrence of low birth weight infants varies among contries, and even a general inidcator of health status of a population to be highly associated with socieconomic conditions(3). Newborns with low birth weight are more vulnerable to problems that increase the risk of morbidity and mortality(9). Several factors may be associated with low newborn weight among mothers with less than 20 years or over 35 years(16,17). Objectives: To describe the low-weight births in hospitals in the city of Cuiaba in the period 2000 to 2008 using the variables of the birth certificate (race, sex of infant and maternal age) Method: a quantitative study, cross-sectional, restrospective and described with the use of secundary sources of data obtained from the Information System on Live Births (SINASC). The study population was constituted by the set of all vital statistics records of hospital deliveries of low birth weight infants n= 6.523, in the municipality of Cuiabá – MT in the period 2000 to 2008. Included only information from births and hospital births only, and with body weight equal to or less than 2,500g, this criterion is basead on the WHO classification. Results/Conclusion: The low birth weight hospital in the city of Cuiabá – MT in the period 2000 to 2008, has a prevalence of 6,6%, ocurred among newborns with GA between 37 and 41 weeks (43,3% n= 2827). The low weight births in the state of MT, evolve with the growing reduction of body weight, the highest prevalence being concentrated in the range of 1500 to 2499g weight. The low birth weight are more prevalent in females (53,7%, n=3506) and mullattos (70.4% n= 4595). 49% of mother of lbw infants are those who are aged 21 to 35 years of age (49,7%, n= 3240). |
