Many studies have found that the presence of UTI was associated with premature labor (labor onset before 37 weeks of gestation), hypertensive disorders of pregnancy (such as pregnancy-induced hypertension and preeclampsia), anemia (hematocrit level less than 30 percent) and amnionitis. Neonatal outcomes that are associated with UTI include sepsis and pneumonia (specifically, group B streptococcus infection). UTI increases the risk of low-birth-weight infants (weigh tless than 2,500 g [5 lb, 8 oz]), and prematurity (less than 37 weeks of gestation at delivery).