Hamilton–Norwood scale
The progression of male pattern baldness is generally classified on the Hamilton–Norwood scale, which ranges from stages I to VII.[1]
This measurement scale was first introduced by James Hamilton in the 1950s and later revised and updated by O'Tar Norwood in the 1970s.[2] It is sometimes referred to as the Norwood–Hamilton scale or simply the Norwood scale.
See also
- Ludwig scale of female baldness
External links
References
- ↑ "Reliability of Hamilton-Norwood Classification", Int J Trichology. 2009 Jul-Dec
- ↑ Gupta, M; Mysore, V (2016). "Classifications of Patterned Hair Loss: A Review.". Journal of cutaneous and aesthetic surgery. 9 (1): 3–12. doi:10.4103/0974-2077.178536. PMC 4812885
. PMID 27081243.
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