Early childhood is a critical period to intervene for obesity, developmental and behavioural problems. Data from 1065 children in 14 Northeast Iowa Community Action Head Starts (HS) were collected between 2011 and 2018. Body mass index (BMI) and developmental scores were assessed at the beginning of each school year and compared after the first…

Comparison of growth rates and menarcheal age for groups of boys and girls, ages 6 to 15, in Tokyo (Japan) found that children with mental retardation had a smaller growth spurt during puberty but did not differ in maturational rate defined by age at pubertal height spurt or age at menarche. (Author/DB)

Presents statistics of a girl's age, height, and weight at menarche, and the possible effect on these variables of various factors such as her health, genetic inheritance, socioeconomic circumstances, and environment. The behavior of present day adolescents cannot be attributed to earlier physical and sexual development. (Author/IRT)

A study of 55 growth-disturbed children, aged 8-17, was conducted to assess how rate of physical maturation and pubertal development influences cognitive and neuropsychological functioning. The sample included 27 boys with short stature and delayed pubertal development (SSB), 15 girls with delayed puberty (DPG), and 13 girls with precocious…