<prompt> A 25-year-old primigravida witti 20 weeks of pregnancy has a first episode of asymptomatic bacteriuria. The risk of having pyelonephritis is;No risk with first episode51525  <response>: If not treated,asymptomatic bacteriuria 25 women will develop pyeloneohritis in pregnancy mostly in 3rd TM. Refer page no 274 of Text book of obsteics,sheila balakrishnan 2 nd edition. 