Urine test glucose 3 plus serious?

Urine test glucose three plus serious? Urine test glucose showed three plus, under normal circumstances, suggesting that blood sugar is not well controlled, for this situation needs to be reviewed again, if the review still shows this situation, it means that there is diabetes, and the effect of control is not good, need to monitor blood sugar. At the same time, also need to check whether diabetes has caused some complications, because diabetes, can cause a lot of complications. Why can you show glucose positivity in urine, this is because blood sugar is too high, causing renal tubules not to be able to completely absorb glucose, thus causing urine to be able to discharge a large amount of glucose, which can show urine glucose positivity in urine routine.