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