measured as part of a blood test. The measurement depends on the number and size of red blood cells. It is normally 40.7%–50.3% for men and 36.1%–44.3% for women. It is a part of a person's ...

Doctors use various blood tests for hair loss to identify ... like telogen effluvium and alopecia areata. Tests like erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) levels ...