A renal punch proved to be negative. Clinicians performed a bedside ultrasound, which revealed moderate hydronephrosis affecting her right kidney.

The researchers identified elevated serum creatinine, and urinary tract ultrasound revealed bilateral mild hydronephrosis and proximal ureterectasia.

Antenatal hydronephrosis is diagnosed in 1% to 5% of all pregnancies; however, the antenatal and postnatal management of hydronephrosis varies widely. The main point of postnatal management is the ...