Association of increased body mass index and the presence of urinary tract infection in primigravidae

Abstract

Introduction: The nutritional status of women before and during pregnancy is one
of the determinants of the risk of maternal morbidity and mortality. Objective:
To determine the relationship between the increase in body mass index and the
presence of urinary tract infection in primigravidae. Methods: Case-control study in
primigravidae records. We studied sociodemographic variables (age, schooling, life
as a couple and occupation), obstetric conditions (obstetric risk, weeks of beginning
of prenatal control, weeks of pregnancy resolution and number of prenatal visits),
anthropometry at the beginning and end of pregnancy (weight, height, body mass
index and nutritional condition -underweight, normal weight, overweight and
obesity-, weight gain and body mass index gain), and modification of nutritional
condition at the beginning and end of pregnancy. Statistical analysis was performed
with percentages, averages, confidence intervals for averages, Chi2 test, odds ratio,
confidence intervals for odds ratio, simple linear regression, and projection of event
occurrence. Results: When the increase in body mass index was 5 kg/m2, the mean
urinary tract infection corresponded to 1.62 and, if the increase in body mass index
was 10 kg/m2, the mean urinary tract infection was 2.3. Conclusion: In our study, the
greater the increase in body mass index during pregnancy of the primigravida, the
greater her probability of presenting urinary tract infection.