Hamilton-Norwood scale
The progression of male pattern baldness is generally classified on the Hamilton-Norwood scale, which ranges from stages I to VII.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Synopsis: This is the measurement scale as it relates to Male Pattern Hairloss First introduced by Dr. James Hamilton in the 1950s and later revised and updated by Dr. O'Tar Norwood in the 1970s.
For a more comprehensive guide visit:
External links
- Norwood OT: Male Pattern Baldness: Classification and Incidence. South M J 1975, 68:1359-1365.
- Drawing of the different values and their associated HN-scale values