BMI relationship to the onset of puberty: assessment of growth parameters and sexual maturity changes in Egyptian children and adolescents of both sexes
-
Soheir S. Abou El Ella
,
Naglaa Fathy Barseem
,
Maha A. Tawfik
und
Amira F. Ahmed
Abstract
Background
Puberty is the period of human growth and development. To determine the onset of puberty with regards to the effect of higher adiposity, together with growth parameters of the participants at various stages of sexual maturity for both sexes.
Methods
The study was conducted on 1944 children (8–16) years; 1022 girls (52.6%) and 922 boys (47.4%) were taken at random. Pubertal assessment was done using Tanner staging that assigned breast development in females and pubic and axillary hair in males and females. Testicular volume was recorded using a Prader orchidometer. Height, weight, body mass index (BMI), body mass (BM) fat, body fat percentage, through applying a body impedance analyzer, and others were recorded.
Results
The mean ages at the onset of puberty for females and males in our study were 10.29 ± 1.1 and 11.34 ± 1.02 years, respectively. Pubic hair (stage PH2) was attained at mean age of 10.72 ± 0.84 and 11.98 ± 1.03 years for females and males, respectively. For axillary hair (stage AH2), the mean age was 12.47 ± 0.68 years for females and 13.8 ± 0.58 years for males. The mean age at menarche was 12.41 ± 0.65 years. In concordance to BM fat and percentage, all pubertal stages started earlier in females with BMI ≥85th percentile comparable to females within average BMI. As for males, no significant relation was noted between mean pubertal ages and BMI values.
Conclusions
A significant association of mean ages of Tanner stages to excess weight especially in females warranted the increasing awareness about health care, nutritional aspects, and living circumstances.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
Conflict of interest: None.
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©2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- Inborn errors of metabolism
- Reviews
- Nutrition and medical support during pregnancy and lactation in women with inborn errors of intermediary metabolism disorders (IEMDs)
- The association between prenatal exposure to organochlorine compounds and neonatal thyroid hormone levels: a systematic review
- Original Articles
- Investigating the incidence rate and geographical distribution of congenital hypothyroidism among neonates in Isfahan province using geographic information system (GIS) between 2002 and 2015
- Analysis of five cases of hypermethioninemia diagnosed by neonatal screening
- What is the evidence for beneficial effects of growth hormone treatment beyond height in short children born small for gestational age? A review of published literature
- Machine learning-based prediction of response to growth hormone treatment in Turner syndrome: the LG Growth Study
- Pathogenic/likely pathogenic variants in the SHOX, GHR and IGFALS genes among Indian children with idiopathic short stature
- Celiac disease in Saudi children with isolated short stature: is it rare or are we not screening rigorously enough?
- The beneficial effect of psychological support on mothers with PKU children who suffer from social discrimination and damage of quality of life
- Long-term effects of GnRH agonist treatment on body mass index in girls with idiopathic central precocious puberty
- Sudden sex hormone withdrawal and the effects on body composition in late pubertal adolescents with gender dysphoria
- The alteration of IGF-1 levels and relationship between IGF-1 levels and growth velocity during GnRH analogue therapy
- BMI relationship to the onset of puberty: assessment of growth parameters and sexual maturity changes in Egyptian children and adolescents of both sexes
- The effects of a 12-week jump rope exercise program on body composition, insulin sensitivity, and academic self-efficacy in obese adolescent girls
- Onset of pituitary hormone deficiencies in optic nerve hypoplasia: a temporal trend analysis of 32 children at Mayo Clinic
- Dietary practices in methylmalonic acidaemia: a European survey
- Case Reports
- Clinical findings in five Turkish patients with citrin deficiency and identification of a novel mutation on SLC25A13
- A rare case of primary coenzyme Q10 deficiency due to COQ9 mutation
- Sinusitis, an under-reported adverse effect in children treated with radioactive iodine therapy and review of the current literature
- Acknowledgment
Artikel in diesem Heft
- Frontmatter
- Editorial
- Inborn errors of metabolism
- Reviews
- Nutrition and medical support during pregnancy and lactation in women with inborn errors of intermediary metabolism disorders (IEMDs)
- The association between prenatal exposure to organochlorine compounds and neonatal thyroid hormone levels: a systematic review
- Original Articles
- Investigating the incidence rate and geographical distribution of congenital hypothyroidism among neonates in Isfahan province using geographic information system (GIS) between 2002 and 2015
- Analysis of five cases of hypermethioninemia diagnosed by neonatal screening
- What is the evidence for beneficial effects of growth hormone treatment beyond height in short children born small for gestational age? A review of published literature
- Machine learning-based prediction of response to growth hormone treatment in Turner syndrome: the LG Growth Study
- Pathogenic/likely pathogenic variants in the SHOX, GHR and IGFALS genes among Indian children with idiopathic short stature
- Celiac disease in Saudi children with isolated short stature: is it rare or are we not screening rigorously enough?
- The beneficial effect of psychological support on mothers with PKU children who suffer from social discrimination and damage of quality of life
- Long-term effects of GnRH agonist treatment on body mass index in girls with idiopathic central precocious puberty
- Sudden sex hormone withdrawal and the effects on body composition in late pubertal adolescents with gender dysphoria
- The alteration of IGF-1 levels and relationship between IGF-1 levels and growth velocity during GnRH analogue therapy
- BMI relationship to the onset of puberty: assessment of growth parameters and sexual maturity changes in Egyptian children and adolescents of both sexes
- The effects of a 12-week jump rope exercise program on body composition, insulin sensitivity, and academic self-efficacy in obese adolescent girls
- Onset of pituitary hormone deficiencies in optic nerve hypoplasia: a temporal trend analysis of 32 children at Mayo Clinic
- Dietary practices in methylmalonic acidaemia: a European survey
- Case Reports
- Clinical findings in five Turkish patients with citrin deficiency and identification of a novel mutation on SLC25A13
- A rare case of primary coenzyme Q10 deficiency due to COQ9 mutation
- Sinusitis, an under-reported adverse effect in children treated with radioactive iodine therapy and review of the current literature
- Acknowledgment
