• Age- and sex-specific bone mineral measures have not been available for healthy preschool children. We determined bone mineral content (BMC) and bone width in 89 children 1 to 6 years of age using direct photon absorptiometry at the one-third distal radius site. The BMC increased significantly with age, and bone width increased slightly with age. After stratification by age, male and female children had similar BMC from 1 to 4 years of age, but female children had significantly lower BMC at 5 to 6 years of age.
Specker BL, Brazerol W, Tsang RC, Levin R, Searcy J, Steichen J. Bone Mineral Content in Children 1 to 6 Years of Age: Detectable Sex Differences After 4 Years of Age. Am J Dis Child. 1987;141(3):343–344. doi:https://doi.org/10.1001/archpedi.1987.04460030121041
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