Sunday, 23 Jun 2024

Height Prediction Formula

The height that a child grows to as an adult is influenced by various factors such as genetics (parents’ height), sex, overall health, and nutrition. Though predicting a child’s future height is not possible, there are height calculators that can provide an estimation.

Simple and Easy (but inaccurate?)

There are simple methods to estimate a child’s potential height, though they are not scientifically accurate:

  1. Adding parents’ heights: Add the parents’ heights together, divide by two, and add three inches for a boy or subtract three inches for a girl.
  2. Doubling height at age 2: Double the child’s height at age 2.

Using Formula

There are more accurate methods for predicting height:

  • Using growth charts: Refer to height and weight growth charts.
  • Based on secondary sex characteristics: Onat method (1).
  • Based on menstrual age: Tanner method (2).
  • Based on anthropometry and mid-parent stature: Modified Roche-Wainer-Thissen method (3) and Khamis-Roche method (4), considering the child’s gender, height, weight, and the height of both parents.
  • Based on anthropometry: Lauren method (5).
  • Based on bone age: Estimate adult height by measuring the child’s bone age using an x-ray. This method utilizes methods like the Bayley-Pinneau method (6), Roche-Wainer-Thissen method (7), Tanner-Whitehouse method (8), and Tanner-Healy method (9).

References

  1. Onat T. Prediction of adult height of girls based on the percentage of adult height at onset of secondary sexual characteristics, at chronological age, and skeletal age. Hum Biol 1975;47:117-30.
  2. Tanner JM, Whitehouse RH, Marshall WA, Carter BS. Prediction of adult height, bone age, and occurrence of menarche, at ages 4 to 16 with allowance for midparent height. Arch Dis Child 1975;50: 14-26.
  3. Roche AF, Tyleshevski F, Rogers E. Non-invasive measurements of physical maturity in children. Res Q Exerc Sport 1983;54:364-71.
  4. Khamis HJ, Roche AF. Predicting adult stature without using skeletal age: the Khamis-Roche method. Pediatrics 1994;94:504-7.
  5. Lauren B. Sherar, Robert L. Mirwald, et al. Prediction of Adult Height Using Maturity-Based Cumulative Height Velocity Curves. The Journal of Pediatrics, Oct 1, 2005, Volume 147 (4).
  6. Bayley N, Pinneau SR. Tables for predicting adult height from skeletal age: revised for use with greulich-Pyle hand standards. J Pediatr 1952;40: 423-41.
  7. Roche AF, Wainer H, Thissen D. The RWT method for the prediction of adult stature. Pediatrics 1975;56:1026-33.
  8. Tanner JM, Whitehouse RH, Cameron N, Marshall WA, Healy MJR, Goldstein H. Assessment of skeletal maturity and prediction of adult height. 2nd edition. New York: Academic Press; 1983.
  9. Tanner JM, Healy MJR, Goldstein H, Cameron N. Assessment of skeletal maturity and prediction of adult height (TW2 Method). 3rd edition. London: Saunders; 2001.
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Credit: thanks to Mohamad Motevalli for providing the majority of this information.

Related Pages

  • Measuring height, standing height, and baby length
  • Knee height can be used to estimate body height
  • Height and weight growth charts
  • Measuring peak height velocity
  • Height/weight tables
  • Ideal weight calculations
  • Anthropometric charts
  • Other body size tests

FAQs

Q: Can we accurately predict a child’s adult height?
A: While there are methods to estimate a child’s potential height, it is not possible to predict with complete accuracy.

Q: What are some simple methods for estimating a child’s height?
A: The two commonly used but less accurate methods are adding the parents’ heights and doubling the child’s height at age 2.

Q: Are there more accurate methods for predicting height?
A: Yes, there are methods based on growth charts, secondary sex characteristics, menstrual age, anthropometry and mid-parent stature, anthropometry alone, and bone age.

Summary

Predicting a child’s adult height is influenced by genetics, sex, and overall health. Though accurate height prediction is not possible, there are methods available to estimate a child’s potential height. These methods include analyzing growth charts, secondary sex characteristics, menstrual age, anthropometry and mid-parent stature, and bone age. It is essential to utilize accurate data and consult with medical professionals for more precise estimations.

For more information and resources on measuring height, growth charts, and other related topics, please visit our website.