A method of prediction of age of menarche from height and weight at ages 9 through 13 years.

摘要: A method of prediction age menarche from the height and weight a girl at each 9 through 13 years using quartiles total body water as percent weight, an indicator composition, particularly fatness, is presented. similar to predict initiation adolescent growth spurt 8 also given. Comparison results with by other methods supports idea that ratio lean fat metabolic rate per kilogram are important for determination sexual maturation. The time difference between actual predicted was six months or less 59% subjects 12, 53% 11, 48% 10, 47% 9.