“…Embryologically, triplication of the ureter can develop when 3 buds arise from the mesonephric duct or by an early fission of the ureteral bud [1,7]. The Meyer-Weigert law (the laterocranial ostium corresponds to the caudal renal pelvis and the mediocaudal ostium to the cranial renal pelvis) does not hold true in all cases [8,9]. It occurs more often in female patients and on the left side [10,11].…”