[Associated epidemiologic factors with recurring infection of the lower urinary tract in pregnant women].

Background: The urinary tract infections in pregnant women are the second most frequent medical pathology in pregnancy, presenting an incidence of 5-10%. In Mexico, according to the Mexican Clinical Practice Guide, the incidence is 2%, and establishes a recurrence of 23% of them. Objective: To determine the associated epidemiologic factors with recurring infections in lower urinary tract in pregnant women during the period of May 2019 through May 2020. Material and methods: Analytical observational cross-sectional and retrospective research study, where prenatal control sheets of clinical records were reviewed from the institutional program to identify frequency of recurrence and epidemiologic factors associated with lower urinary tract infections in 90 pregnant women; the variables were analyzed through descriptive statistics and analytical statistics. Results: Of a total of 90 electronic records of pregnant women, a recurrence of lower urinary tract infections was found in 41 patients (45.6%). Conclusions: The prevalence of recurring lower urinary tract infections during pregnancy in our population is alarming in whom no association was found with the presence of the epidemiologic factors studied in the present investigation; however, a tendency of recurrence urinary tract infections was identified in women that are not working, superior level of education, 2 pregnancies or less, patients under 20 years of age and in those who were treated with nitrofurantoin for a period of time less than 7 days.