... childbearing in developing countries Washington, D.C., ICRW Working Paper No 4, 1997 Kurz KM, Johnson-Welch C The nutrition and lives of adolescents in developing countries: Findings from the nutrition ... described in developing countries, but in USA, it is increasingly observed at a younger age, in males, in not so affluent groups, and in non-Caucasians (73-76) In a study in New-England school adolescents ... status in adolescents (48) Practical indicators are age at menarche in girls, and of adult voice in boys BMI for age was validated against other measures of body fat in adolescents, for instance in...