Results 21 to 30 of about 96,041 (205)

Pubertal presentation in seven patients with congenital adrenal hyperplasia due to P450 Oxidoreductase deficiency [PDF]

open access: yes, 2010
Context: P450 oxidoreductase (POR) is a crucial electron donor to all microsomal P450 cytochrome (CYP) enzymes including 17α-hydroxylase (CYP17A1), 21-hydroxylase (CYP21A2) and P450 aromatase.
Adachi   +59 more
core   +2 more sources

The influence of the trajectory of obesity indicators on the age of pubertal onset and pubertal tempo in girls: A longitudinal study in Chongqing, China

open access: yesFrontiers in Public Health, 2023
ObjectiveThis study aims to explore the influence of the trajectory of obesity indicators on the onset age of different pubertal development characteristics and pubertal tempo among girls.MethodsOur longitudinal cohort study recruited 734 girls at ...
Xuan Xi   +8 more
doaj   +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   +7 more sources

Thyroid Function Changes and Pubertal Progress in Females: A Longitudinal Study in Iodine-Sufficient Areas of East China

open access: yesFrontiers in Endocrinology, 2021
BackgroundThe onset of puberty is influenced by thyroid function, and thyroid hormones (THs) fluctuate substantially during the period of pubertal development. However, it needs to be further clarified how THs change at specific puberty stages and how it
Yingying Wang   +16 more
doaj   +1 more source

Novas perspectivas no diagnóstico do hipogonadismo pediátrico masculino: a importância do AMH como marcador de células de Sertoli [PDF]

open access: yes, 2011
Sertoli cells are the most active cell population in the testis during infancy and childhood. In these periods of life, hypogonadism can only be evidenced without stimulation tests, if Sertoli cell function is assessed.
Grinspon, Romina, Rey, Rodolfo Alberto
core   +2 more sources

Reproductive health in Turner’s syndrome: from puberty to pregnancy

open access: yesFrontiers in Endocrinology, 2023
Turner syndrome (TS) is a genetic pathology that affects about 1/2500 newborn females. Turner’s syndrome is characterized by highly variable genetic anomalies that consist in a partial or complete deletion of the X sexual chromosome; it can be present as
Eleonora Porcu   +2 more
doaj   +1 more source

Face and voice attractiveness judgments change during adolescence [PDF]

open access: yes, 2009
Attractivenessjudgments are thought to underpin adaptive mate choice decisions. We investigated how these judgmentschange during adolescence when mate choice is becoming relevant.
DeBruine, Lisa   +4 more
core   +4 more sources

Timing of pubertal development in boys born with cryptorchidism and hypospadias: a nationwide cohort study

open access: yesAsian Journal of Andrology, 2019
Pubertal development may be altered in boys with cryptorchidism and hypospadias, but existing knowledge is inconsistent. Therefore, we investigated the association between cryptorchidism and hypospadias and pubertal development in a large cohort study ...
Linn Håkonsen Arendt   +5 more
doaj   +1 more source

Does pubertal stage mediate the association between family environment and structure and function of the amygdala-mPFC circuit? A replication study of the longitudinal ABCD cohort

open access: yesDevelopmental Cognitive Neuroscience, 2022
Psychosocial acceleration theory suggests that early stress accelerates pubertal development. Using half of the baseline Adolescent Brain and Cognitive Development (ABCD) cohort, Thijssen et al.
Sandra Thijssen   +2 more
doaj   +1 more source

Sex hormones in allergic conjunctivitis: altered levels of circulating androgens and estrogens in children and adolescents with vernal keratoconjunctivitis [PDF]

open access: yes, 2015
PURPOSE: Vernal keratoconjunctivitis (VKC) is a chronic allergic disease mainly affecting boys in prepubertal age and usually recovering after puberty.
Bonini, S.   +4 more
core   +4 more sources

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