Can I donate blood when my aunt comes?

The physiological shedding of the endometrium during menstruation. During this period, the female body is in a state of injury and blood loss. If you donate blood during menstruation, the total blood loss will exceed the body's tolerance range, which may show a blood loss reaction and affect the health of the donor. Moreover, during this period, the hormones in the blood may change, which may be detrimental to the patient receiving blood transfusion. Menstruation period immunity, physical strength are reduced, blood donation at this time, their own blood cells are not easy to recover, will further reduce immunity. Therefore, during menstruation and three days before and after, can not donate blood.