The USPSTF or " the United States Preventive Services Task Force " recommends screening for asymptomatic bacteriuria with urine culture for pregnant women at 12 to 16 weeks' gestation or at the first prenatal visit, if later. In pregnant women, asymptomatic bacteriuria has been associated with an increased incidence of pyelonephritis and low birthweight (birthweight <2500 g). Asymptomatic bacteriuria can be reliably detected through urine culture.
The presence of at least 105 colony-forming units per mL of urine, of a single uropathogen, and in a midstream clean-catch specimen is considered a positive test result. In pregnant women, convincing evidence indicates that detection of and treatment for asymptomatic bacteriuria with antibiotics significantly reduces the incidence of symptomatic maternal urinary tract infections and low birthweight. In men and non-pregnant women, adequate…
