Gynaecology & Obstetrics A 25-year-old primigravida with 20 weeks of pregnancy has a first episode of a symptomatic bacteriuria. The risk of having pyelonephritis is: A No risk with first episode B 5% C 15% D 25% 💡 Explanation A 25-year-old primigravida with 20 weeks of pregnancy has a first episode of a symptomatic bacteriuria. The risk of having pyelonephritis is: ✓ Correct Answer: D. 25%