BONE AGE by WRIST from Gruelich & Pyle

Male Mean and Standard Deviation of Bone Age
MALE Standards
M3mo_6mo - M9mo_1yr M1yr3mo_1yr6mo M2yr_2yr8mo M3yr_3yr6mo
M4yr_4yr6mo M5yr_6yr M 7yr M 8yr
M 9yr
M 10yr M 11 yr M 11yr+6mo M 12yr+6mo M 13yr
M 13yr6mo M 14yr M 15yr M 15yr6mo
M 16yr- -
M17yr M18yr
No change No change No change

FEMALE STANDARDS G&P

FEMALE Standards
Female 1yr Female 1yr3mo Female 1yr6mo Female 2yr Female 2yr6mo
Female 3yr Female 3yr6mo Female 4yr2mo Female 5y Female 5yr 9mo
Female 6yr10mo Female 7yr10mo Female 7yr10mo F8yr10mo_10yr F11yr_12yr
F13yr_13yr6mo F14yr_15yr F16yr_17yr F18yr_19yr Over 19
No change