Secular Trends in Birthweight

Ramji, Siddarth

doi:10.1007/s13312-022-2570-x

Cited by 2 publications

(2 citation statements)

References 15 publications

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“…[6,19,39,40] A complex cascade of signals in the hypothalamus that controls the onset of puberty is genetically controlled though modified by environmental conditions. [41] Our phenotypic findings and the fact of significant genetic control of puberty indicate polymorphism of this phenomenon. This means that individuals with different genetic endowment relevant to pubertal events react differently to the same environmental stimuli that may modify their growth.…”

Section: Discussionmentioning

confidence: 73%

Pubertal growth spurt is not universal: Polymorphism in growth at adolescence and its possible origin

Henneberg

Rosset

Żądzińska

2023

Preprint

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Objectives. Numerous studies of child growth conducted in industrialised countries showed presence of the phenomenon of the adolescent growth spurt to the extent that its presence became a dogma applied to humans as a species. However, earliest observations of growth at adolescence and also observations of adolescent growth conducted in small traditional societies do not show pubertal spurts consistently. Longitudinal observations of growth of individuals in present day societies show strong polymorphism of the age at which puberty starts and ends and the magnitude of growth acceleration during puberty. Some normally developing individuals may not experience the pubertal growth spurt. Design, Seeting, Participants, Longitudinal height growth data of 110 girls aged 6-18 years from homogenous socio-economic situation, ie one medical high school (=nursing college) in one large Polish city of Lodz. Results, 18 (16%) girls did not show statistically significant acceleration of body height growth while they reached the same adult height as their spurting peers. Girls who experienced growth spurt had the age at peak height velocity of 11.2 years and peak height velocity of 69.3 mm, comparable to those found in many other studies. There was a negative correlation of adult height with variation of individual accelerations (r=-0.24, p=0.01) girls whose accelerations differed less from year to year achieved greater adult heights. Conclusions, Findings of no pubertal spurts in some individuals have been made in other samples studied by other authors, though rarely reported. It can be argued that slow growth at adolescence was more favourable in conditions of limited access to nutrition and medical care while polymorphisms determining fast, uneven growth became more prevalent after industrialisation that, together with progress in health sciences, relaxed natural selection on patterns of growth. Individuals who do not experience pubertal growth spurts, but are otherwise healthy, should not be subject to clinical interventions.

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Section: Discussionmentioning

confidence: 73%

Pubertal growth spurt is not universal: Polymorphism in growth at adolescence and its possible origin

Henneberg

Rosset

Żądzińska

2023

Preprint

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“…Despite all these factors, still much of the information is imparted in restricted form. (2) Thus adolescent girls end up gaining knowledge in bits and pieces from mothers, television, friends, teachers and relatives. (3) Recognizing its relevance to the health, wellbeing and educational achievements of girl, the Ministry of Health and Family Welfare India has launched various schemes/programs for promotion of Menstrual Hygiene among adolescent girls.…”

Section: Introductionmentioning

confidence: 99%

Predictors of menstrual health management among the high school adolescent girls

Dogra,

Kumar,

Guleri

et al. 2024

Indian J Community Health

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Background: Adolescence (10-19 years) is an essential human developmental stage, during which physical, sexual, psychological, and social development occurs Objectives: To estimate the knowledge and attitude regarding menstruation health as well as its determinants among school going adolescent girls. Methods: A questionnaire based cross-sectional study was conducted among school going adolescent girls. In addition to descriptive analysis, bi-variate analysis was also done to find out the association between various predictors of knowledge and attitudes of the study population. Results: Majority of the adolescent girls preferred mother (75.6%) as a source of information regarding puberty related issue with 86.2% of them using health related sanitary pad as one of the methods for menstrual hygiene. Conclusion: Proper menstrual hygiene practices which could be imparted through appropriate interventions at earlier stages of life can prevent the girls and women from suffering reproductive morbidities.

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Secular Trends in Birthweight

Cited by 2 publications

References 15 publications

Pubertal growth spurt is not universal: Polymorphism in growth at adolescence and its possible origin

Pubertal growth spurt is not universal: Polymorphism in growth at adolescence and its possible origin

Predictors of menstrual health management among the high school adolescent girls

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