Results 91 to 100 of about 341,874 (238)

Dietary pattern and precocious puberty risk in Chinese girls: a case-control study

open access: yesNutrition Journal
Background The role of dietary intake on precocious puberty remains unclear. This study aimed to investigate the association between the amount and frequency of dietary intake and the risk of precocious puberty in Chinese girls.
Qiuyun Gu   +6 more
doaj   +1 more source

Association of Prenatal Urinary Concentrations of Phthalates and Bisphenol A and Pubertal Timing in Boys and Girls. [PDF]

open access: yes, 2018
BackgroundAnimal studies suggest that phthalates and bisphenol A (BPA), endocrine-disrupting chemicals found in many consumer products, may impact the timing of puberty.ObjectivesWe aimed to determine the association of prenatal exposure to high ...
Berger, Kimberly   +9 more
core   +1 more source

Testosterone Trajectories and Reference Ranges in a Large Longitudinal Sample of Male Adolescents [PDF]

open access: yes, 2014
Pubertal dynamics plays an important role in physical and psychological development of children and adolescents. We aim to provide reference ranges of plasma testosterone in a large longitudinal sample.
Ingle, Suzanne M   +6 more
core   +3 more sources

Metabolic regulation of female puberty via hypothalamic AMPK–kisspeptin signaling

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2018
Significance The age of puberty in humans is changing via unknown mechanisms, although metabolic alterations in childhood are blamed as a major contributing factor.
J. Roa   +18 more
semanticscholar   +1 more source

Endometrial Stromal Sarcoma Presenting As Puberty Menorrhagia [PDF]

open access: yes, 2005
Endometrial stromal sarcomas are rare uterine tumours usually seen in perimenopausal females. We report here a case of low grade malignant endometrial stromal sarcoma in an adolescent girl, presenting as puberty menorrhagia.
Prabhakaran Nair, Rema, Sebastian, Paul
core   +1 more source

Trithorax dependent changes in chromatin landscape at enhancer and promoter regions drive female puberty

open access: yesNature Communications, 2018
Polycomb group (PcG) proteins control the timing of puberty by repressing the Kiss1 gene in hypothalamic arcuate nucleus (ARC) neurons. Here we identify two members of the Trithorax group (TrxG) of modifiers, mixed-lineage leukemia 1 (MLL1), and 3 (MLL3),
C. A. Toro   +4 more
semanticscholar   +1 more source

Global DNA methylation changes spanning puberty are near predicted estrogen-responsive genes and enriched for genes involved in endocrine and immune processes

open access: yesClinical Epigenetics, 2018
BackgroundThe changes that occur during puberty have been implicated in susceptibility to a wide range of diseases later in life, many of which are characterized by sex-specific differences in prevalence.
E. Thompson   +6 more
semanticscholar   +1 more source

Exploring the Mechanistic Interplay between Gut Microbiota and Precocious Puberty: A Narrative Review

open access: yesMicroorganisms
The gut microbiota has been implicated in the context of sexual maturation during puberty, with discernible differences in its composition before and after this critical developmental stage.
Min Yue, Lei Zhang
doaj   +1 more source

Developmental changes in the neural responses to own and unfamiliar mother’s smiling face throughout puberty

open access: yesFrontiers in Neuroscience, 2015
An attachment relationship between boys and their mother is important for subsequent development of the ability to sustain peer relationships. Affective responses to attachment figure, especially mother, is supposed to change drastically during puberty ...
Tsunehiko eTakamura   +5 more
doaj   +1 more source

Breastfeeding and timing of pubertal onset in girls: a multiethnic population-based prospective cohort study. [PDF]

open access: yes, 2019
BackgroundEarly puberty is associated with higher risk of adverse health and behavioral outcomes throughout adolescence and adulthood. US girls are experiencing earlier puberty with substantial racial/ethnic differences.
Aghaee, Sara   +5 more
core   +1 more source

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