mental health problems including emotional and behavioral problems during puberty may be under influence of different risk factors including cultures, living in urban or rural areas and ethnic factors which may vary between different countries. the main aim of this study is to investigate the profile of emotional and behavioral problems and the role of factors such as age, stage of puberty, eth...

Excitatory amino acids, glutamate in particular, have a marked stimulatory effect on the reproductive axis, particularly at puberty. Glutamate, N-methyl-D-aspartate (NMDA), and kainate stimulate gonadotropin-releasing hormone (GnRH) secretion in immature mammals and NMDA receptor stimulation results in precocious puberty in rats and monkeys. Puberty is characterized by an increased sensitivity ...

BACKGROUND It is well known that excess adiposity during childhood may influence pubertal development. However, the extent to which body compositions vary in throughout puberty in boys and girls is currently unknown. The aim of this study was to investigate whether obesity and body compositions correlate with the timing of puberty in boys and girls. METHODS By random cluster sampling, our stu...

The study comprises observations in 464 Swedish Yorkshire pigs at puberty and after the first weaning. The aim was to study relationships between age at puberty and weaning to estrus interval and between estrus signs at puberty and after the first weaning. The estrus signs were checked, and blood samples for progesterone determination were drawn regularly around puberty and after the first wean...

The Committee of Central Precocious Puberty Korean Pediatrics and Adolescents the Society Pediatric Endocrinology has newly developed evidence-based 2022 clinical practice guidelines for central precocious puberty in children adolescents. These provide grade recommendations, which includes both strength recommendations level evidence. In absence sufficient evidence, are based on expert opinion....

The initiation of mammalian puberty is underpinned by an increase in Kisspeptin (Kiss1) signaling via its receptor (Kiss1r/GPR54) on gonadotropin-releasing hormone (GnRH) neurons. Animals and humans with loss-of-function mutations in Kiss1 or Kiss1r fail to go through puberty. The timing of puberty is dependent on environmental factors, and malleability in puberty timing suggests a mechanism th...

BACKGROUND Assessment of pubertal stages should be related to updated and reliable referance data from the same background population. OBJECTIVE The aim of this study was to provide normative data for the onset and tempo of puberty in Turkish girls and analyze the growth parameters in puberty. METHODS The analyses are based on data that were collected and evaluated biannually on 1020 Turkis...