Patient: Description of condition (onset, main symptoms, hospital visited, etc.): Asymptomatic The following 4 items were abnormal in the routine 22-item blood test done on the 5th day of menstruation: MCHC result: L317 Reference range: 320-360g/L Platelets result: H308 Reference range: 100-300G/L Platelet pressure result: H0.30 Reference range: 0.11-0.28% PDW result: L11.0 Reference range: 15.9-17.2% Why are these 4 items abnormal? 0.28% PDW Result: L11.0 Reference range: 15.9-17.2% Why are these 4 items abnormal and how should they be treated? Yusheng Bai, Department of Hematology, Xinjiang Uygur Autonomous Region Hospital of Traditional Chinese Medicine, Xinjiang Autonomous Region Hospital of Traditional Chinese Medicine: Hello! Many indicators in the blood routine are in dynamic change, because the human body itself is an open system, its own physiological and pathological changes will affect these results, doctors also rely on the changes in these indicators to determine the state of the body or disease status, the above four changes may be related to the menstrual period, can be rechecked after a week, no need to be nervous, and no need for treatment.