Morning urine can not hold the second urine can also do urine routine, but the first urine in the morning compared to other time of the day to provide a urine sample test results are more accurate.
Generally speaking, it may be better to use morning urine for a routine urine test because, after the overnight concentration of urine, the first urine in the morning contains a higher concentration of substances, such as urinary proteins and erythrocytes, which can be detected more easily in comparison.
If you use non-morning urine or random urine from other times of the day, it is also possible to do a routine urine test, and basically reflects the original situation of the routine urine test. However, the results may be affected by diet or exercise. Therefore, patients are usually advised to use morning urine for routine urine tests.
If patients need to perform routine urine tests, it is recommended that they go to a regular hospital to have the test results prescribed and evaluated by a professional doctor.