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Ureteric atresia is a congenital condition characterized by the absence or narrowing of the ureter, the tube that carries urine from the kidney to the bladder. This condition falls under the broader category of urinary tract obstruction.12

When the ureter is absent or narrowed, it impedes the normal flow of urine. This blockage can cause urine to back up into the kidneys, a condition known as hydronephrosis. The resulting distension and pressure can impair kidney function and may lead to infection.21

Ureteric atresia and stenosis typically require surgical correction soon after birth to restore proper urinary flow and prevent long-term kidney damage.1

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