Results 211 to 220 of about 18,140 (258)
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Secular Trends in Pubertal Development
Hormone Research in Paediatrics, 2002<i>Objective:</i> To describe the secular trend in pubertal development in relation to the secular trend in height. <i>Methods:</i> Literature review of cross-sectional, longitudinal and twin studies. <i>Results:</i> Globally, there is a secular trend in adolescent growth for an increased mean final height at ...
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Nutrition and the Secular Trend of Growth
Hormone Research, 2008Japan has been experiencing ever more rapid socioeconomic development and changes in eating habit, especially in children, since the end of the Second World War. These occurrences (westernized life style) have greatly affected the growth of Japanese. Nutrition is the most important factor in promoting the physical growth in childhood during food supply
M, Murata, I, Hibi
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2013
From the mid- to late 20th century, average birthweight increased in many countries, including the United States. However, more recent data now suggest that mean birthweight has begun to decline. The most recent US data indicate that in 2008, compared with 1990, about half as many babies were macrosomic at birth (≥5,000 g), whereas there was a 17 ...
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From the mid- to late 20th century, average birthweight increased in many countries, including the United States. However, more recent data now suggest that mean birthweight has begun to decline. The most recent US data indicate that in 2008, compared with 1990, about half as many babies were macrosomic at birth (≥5,000 g), whereas there was a 17 ...
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Research on secular trends in auxology
Anthropologischer Anzeiger, 1990Current status of research on secular trends in growth and maturation is considered from several perspectives. The need to define secular trends as positive, negative or absent is initially discussed. Positive secular trends, i.e., increases in size and earlier maturation, characterize the majority of the auxological literature.
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1992
Abstract Changes in the prevalence rate at birth of neural tube defects with time have been reported in almost all well-studied areas. These include long-term trends over 10 or more years and short-term changes over a few years. Seasonal variations are considered separately, in Chapter 7.
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Abstract Changes in the prevalence rate at birth of neural tube defects with time have been reported in almost all well-studied areas. These include long-term trends over 10 or more years and short-term changes over a few years. Seasonal variations are considered separately, in Chapter 7.
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SECULAR TRENDS IN TWINNING RATES
Journal of Biosocial Science, 2006Based on national data from civil birth registration systems, this paper provides an overview of trends in the twinning birth rates in fifteen developed countries. Patterns and differentials in such rates across populations are described, and trends over time are given.
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The secular trend: History and prospects
Human Physiology, 2009The origin of the term secular trend and the history of study of this phenomenon are analyzed. Throughout most of the 20th century, the direction of changes was the same in most countries: improvement of socioeconomic conditions was accompanied by an increase in the physical parameters of the human body, primarily, the indices of longitudinal growth ...
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Secular trend of academician aging
Scientometrics, 1998The time-course of average age of members of the Russian Academy of Sciences in the XVIII–XIX centuries was analyzed. A long-term trend of academician aging was found, with its extrapolation correctly predicting the average age of the recent academicians.
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