الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
Introduction: The aim of this study was Assessment of Skeletal Maturation in Egyptian School Girls Using Middle Phalanx of the Middle Finger MP3 and its Relationship with Body Mass Index Percentile in Giza Governorate. Methods: The study included 1403 adolescent females (ages ranged from 8 to 14 years). The sample was divided into 6 groups according to their age. Middle phalanx of the middle finger (MP3) of each subject was radiographed and the developmental stages were evaluated by the method of Rajogobal and Kansal. Results: A statistically significant difference was found between mean age values at different MP3 growth stages. Pair-wise comparisons showed that the mean age at Stage (F) was 9.4 years while Stage (FG) was10.3 years. At Stage (G) the mean value of the pubertal spurt age was 11.2 ± 0.98 years while the mean age for Stage (H) was12.1 years, Stage (HI) 12.6 years and Stage (I) 13 years of age. There was a statistically significant direct correlation between MP3 stages and BMI percentiles in each age group. An increase in MP3 stages is associated with an increase in BMI percentile and vice versa. Conclusions: The mean skeletal maturity age of MP3-G stage (that represents the onset of the peak of pubertal growth spurt) was found to be 11.17years± 0.98 years. There was a statistically significant positive correlation between MP3 stages and BMI percentiles in each age group.