Can you draw blood for a test?

If it is not an emergency, try not to draw blood for testing when there is no special case. Although menstruation is a normal physiological phenomenon, the body's resistance and immunity are reduced, and the hormone levels in the body will also change. If you draw blood during menstruation, some items may show abnormal conditions, so it is best to give blood tests after menstruation is completely clean. In addition, in clinical emergency and no way but only in menstrual blood tests, if the test is liver function, kidney function, it is recommended that the best three days before the blood test is vegetarian, so it will not affect the results of the test. In addition, in clinical menstruation, it is best not to do urine routine examination. Because urine routine examination often makes menstrual blood flow into urine, it will lead to the phenomenon of red blood cells, so try not to do urine routine examination during menstruation.