The commonest pathogen responsible for acute pyelonephritis in pregnancy is:: (A) Escherichia coli, (B) Klebsiella pneumoniae, (C) Proteus mirabilis, (D) Pseudomonas aeruginosa
Answer is A. E. coli is the common bacteria responsible for acute pyelonephritis in pregnancy It also causes asymptomatic bacteriuria. Urinary tract infection in pregnancy is a risk factor for threatened aboion, chorioamnionitis, preterm labor, IUGR.