The U.S. Preventive Services Task Force (USPSTF) 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 (Table 1). A recommendation. The USPSTF recommends against screening for asymptomatic bacteriuria in men and nonpregnant women. D recommendation. Importance. In pregnant women, asymptomatic bacteriuria has been associated with an increased incidence of pyelonephritis and low birth weight (less than 2,500 g [5 lb, 8 oz]).
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机译：美国预防服务工作队（USPSTF）建议在妊娠12至16周或第一次产前检查（如果有的话）的情况下，对孕妇进行尿培养以检查无症状菌尿（表1）。一个建议。 USPSTF建议不要对男性和非孕妇进行无症状菌尿筛查。 D推荐。重要性。在孕妇中，无症状菌尿与肾盂肾炎的发病率增加和出生体重低（小于2500 g [5 lb，8 oz]）有关。
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