Pediatrics A most common cause of acute retention of urine in a child of 2 year age – A Posterior urethral valve B Duplication of renal pelvis C Meatal ulceration with scabbing D Urethral stones 💡 Explanation A most common cause of acute retention of urine in a child of 2 year age – ✓ Correct Answer: C. Meatal ulceration with scabbing