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Objective:The purpose of the present study was to predict the final stature and biological parameters for the school children from Jessore district in Bangladesh. Study Design: The primary data on stature collected from 89 subjects longitudinally,using two-stage sampling strategy. Place and Duration of Study:This study was placed on Jessore district in Bangladesh and duration from November 2006 to November 2018. Material and Method:Bootstrap resampling method was used for addressing the population estimate. The software IBM SPSS 26 was used to estimate the parameters of the BTT growth model. Results: For Bangladeshi boys, the adolescent phase was started from the age 10.77 years with stature 136.87 cm and velocity 4.04 cm/year and attended the peak velocity 6.05 cm/year with stature 152.76 cm at the age 13.96 year and the growth process will be resulted with the final stature 171.33 cm at the age 25 years. For girls, the adolescent phase was started from the age 11.48 years with stature 141.93 cm and velocity 3.83 cm/year and attended the peak velocity 3.90 cm/year with stature 147.64 cm at the age 13.94 year and the growth process will be resulted with the final stature 158.20 cm at the age 25 years. The Age of takeoff in children growing at higher rate than American but lower than European and British for boys but for girls, it was higher rate. Conclusion:These results can be used to treatment and observing the childs growth in Bangladesh as well as in the world.

Objective: The purpose of this study was to measure longitudinal Anthropometric data in the age interval 6-18 years of the school children of Jessore District in Bangladesh. Materials: Primary dataon stature and weight were collected longitudinally from 2006 to2018 using two stage random sampling technique. Methods:Descriptive statistics and their simulated valuesonstature, weight and BMI were calculated. Quantile regression was considered to the longitudinal data to develop growth charts. Results: The population mean weight (kg) for boys at the age 8 (year) were condensed in 22.20±0.38 whereas for girls that were more condensed in the range 23.06±0.58. While, for boys, at the age 18 year this mean were in 58.80±1.26 little bit fluctuated compared to that in other ages but a little bit scattered range was found for girls at the age 18 year as 53.56±1.54.The stature for age implied that for boys it was smoothly increasing while for girls it was smoothly increasing until age 12.5 but after that age it was increasing with slow motion and also motion with ups and down. The Weight for age shows that the upper 25% of the heavier children continued their strictly increasing patterns both in their stature and weight. About 42% boys and 33% girls showed always underweight in the age range 7-18 years. Only 2% girls and 1% boys showed overweight after age 12. Conclusion: These results and several growth charts might be used by the medical practitioners as well as the growth scientists.