Risk factors associated to delivery preterm
A multicenter study. Metropolitan Trujillo, 2011-2013
Keywords:
Preterm delivery, Risk factors, AssociationAbstract
The present study was conducted to determine the maternal risk factors associated with preterm delivery, which occurs between 20 and 37 weeks of pregnancy. It was used a retrospective, case-control design of 70 patients per group (preterm and term), the variables were evaluated through the chi-square test or Fisher's exact test when the expected frequencies were less than 5, statistic association was considered for a p value < 0.05 with a confidence interval of 95%. The odds ratio (OR) was the stadigraph used. The results regarding the development of preterm delivery with an antecedent of preterm delivery (p = 0,0048; OR = 7,0345), inadequate prenatal care (p = 0,0038; OR = 4,8889), premature placental abruption (p = 0,0014; OR = 8,5), bacterial vaginosis (p = 0,0003; OR = 4,0702) and urinary tract infection (p = 0,0020; OR = 2,9688). It was established that an antecedent of preterm delivery, inadequate prenatal care, premature placental abruption, bacterial vaginosis and urinary tract infection are risk factors associated with the development of preterm delivery.
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