Evidence of secular trend in mandibular pubertal growth

Puberty and Pubertal Growth in Healthy Turkish Girls: No evidence for secular trend

BACKGROUND Assessment of pubertal stages should be related to updated and reliable referance data from the same background population. OBJECTIVE The aim of this study was to provide normative data for the onset and tempo of puberty in Turkish girls and analyze the growth parameters in puberty. METHODS The analyses are based on data that were collected and evaluated biannually on 1020 Turkis...

Growth variation, final height and secular trend

Growth and body height have always been interesting topics in the public opinion. Particularly the stupendous increase of some 15 to 19 cm in final adult height during the last 150 years in most European countries (the “secular trend”), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being r...

Evidence for a secular trend in age of menarche.

Secular Trend in Portugal

This study of secular trend in Portugal has shown that a positive increment in height occurred in Portuguese 18year-old males between 1904 and 2000, and a secular trend in the age at menarche, towards an earliest age, also took place. Mean height increased 8.93 cm, from 1904 to 2000, when reached 172,13 cm. Besides that, in 2000, statistically significant differences (p ≤ 0.001) among the distr...

[Growth secular trend during early childhood in Northern Spain].

OBJECTIVE To check whether secular changes exist in growth pattern of caucasic children from the North of Spain up to 2 years of age compared with 25-30 years ago population growth curves. MATERIAL AND METHODS Longitudinal study of a representative cohort of caucasic infants born a term in Aragon (n=1.099). Standard deviation scores (z-scores) for weight, length and body mass index (BMI) have...