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Monday, December 22, 2014
Wednesday, December 11, 2013
We have published several articles recently noting the earlier and earlier onset of puberty (e.g. doi: 10.1542/peds.2012-3773) and suggested reasons for this phenomenon. But what about the behaviors of those who develop earlier? Does it make teens more apt to become aggressive and/or delinquent?
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Mrug et al. (doi:10.1542/peds.2013-0628) try to answer these questions in a fascinating and troubling longitudinal study of more than 2,300 girls from three urban areas, as well as their parents, who were interviewed at three time points over 6 years from ages 11 to 16. The influence of a best friend’s behavior on the early versus non-early pubertal female adolescent was also studied.
The results show some initial behavioral findings that are well-worth knowing about. After reading this study, you will want to immediately apply the findings to younger teens in your own practice who experience early menarche to determine if their behavioral patterns are as concerning as those in this study.
Do you agree with the findings? Whether or not you do, we’d love to hear your comments by responding to this blog entry below or sharing your thoughts on Facebook, Twitter, or an eLetter that we can post on our website.
Monday, November 4, 2013
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Fortunately Biro et al. (doi: peds.10.1542/2012-3773) have followed such a cohort of more than 1,200 girls enrolled prospectively at ages 6-8 years in three different geographic areas. The authors uncover some interesting data suggesting differences in onset of thelarche when one looks at race, ethnicity, and BMI.
Helping to make sense of this earlier and earlier initiation of pubertal change is a commentary by Dr. Marcia Herman-Giddens (doi: peds.10.1542/2013-3058) that sheds more light on why these changes might be occurring. If you want the most mature look possible at the subject of earlier pubertal development, then read this study and commentary to see what is developing that might better explain those earlier pubertal changes you are seeing in your own practice patients.