introduction: genetic and health factors along with ethnicity and geographic location are factors that affect the time of puberty onset. the aim of the present study was to evaluate the mean age of onset of puberty and its stages in boys of yazd. methods: this cross- sectional study with random clustering sampling method was conducted on 1018 healthy 9-16 years old male students of yazd. all ca...

hypothyroidism is usually associated with delayed pubertal development but in rare occasions precocious puberty may ensue which is seen in cases of prolonged and untreated hypothyroidism. this is also called the van wyk grumbach syndrome. here we present 4 cases of precocious puberty due to hypothyroidism.

Gonadotropin-releasing hormone ana-logues (GnRHa) are used to treat central precocious puberty. They also are used to delay puberty in short children with a prognosis for impaired adult height. In both cases, growth hormone (GH) treatment is sometimes added. To determine how North American pediatric endocrinologists are using the combination of GH and GnRHa, we searched the National Cooperative...

enhanc ing management of mothers during adolescence of their daughters in guidance schools of urmia     ahangrzadeh rezaei s [1] , khalilzadeh h [2]     received: july 27, 2011 accepted: september 23, 2011     abstract   background and aims: adolescence and puberty is one of the most sensitive periods of human life that causes the person feel and behave differently. undoubtedly adolescence dire...

Dramatic physical and emotional changes mark puberty as one of the most important transitions of the human life span. To date, the majority of psychological studies on puberty have focused on pubertal timing, or when children mature relative to their peers. Yet understanding why puberty is meaningful requires adequate attention to multiple domains of developmental variation. The current article...

During puberty, the agonistic behaviour of male golden hamsters undergoes a transition from play fighting to adult aggression. Repeated exposure to social stress early in puberty accelerates this transition. The present study investigated the possible role of glucocorticoids on the maturation of agonistic behaviour. First, we compared serum cortisol levels following a 20-min restraint stress du...