Women with a negatie urine culture result for a single screening specimen at 12?16 weeks hae a 1%?2% risk of deeloping pyelonephritis later in pregnancy (table 3).
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美
- 一次尿培养阴性的妇女,在怀孕后12-16周之间有1%25-2%25患肾盂肾炎的风险。