A study involving 825 spring ewe lambs was conducted to evaluate effects of breed, heterosis, type of birth and rearing, age of dam and preweaning and postweaning growth rate on occurrence of puberty before November 10. Within a breed or breed-cross, preweaning competition among twin and triplet lambs reduced lamb weights by 4 or 5 kg at 70 (weaning), 160 and 230 days of age and by about 3 kg a...

This study uses a data analysis model in which qualitative is followed by collection from the Indramayu Religious Court and other laws to support analysis. method involves collecting primary secondary sources for research. The were tested without using statistical formulas or mathematical models, findings will be presented descriptive In addition, deductive conclusions are drawn response questi...

Abstract Puberty marks a time of significant transition in the life boy as he progresses toward adulthood—and confusion and concern. Many questions are likely thought or asked by approaches lives with puberty. Sex education is taught formally informally, home, on schoolyard, media. Over twentieth into twenty-first century, publishers have produced numerous books about puberty its experience for...

BACKGROUND AND OBJECTIVES Childhood family background is known to be associated with child growth and development, including the onset of puberty, but less is known about the influence of childhood family disruption on outcomes in later life. Given the associations between early family disruption and childhood development, we predicted that there may be long-term health-relevant consequences of...

Background: Due to lack of detailed standards of sexual maturity in individuals with Intellectual, sensory and motor disability in Iran and the importance of timing of onset of puberty in these individuals, a study is necessary. By knowing the onset of puberty, physiologic and behavioral changes can be traced in these people, as well as the potential impact of the puberty on the underlying dise...

Background: Puberty and its consequence changes are one of the most important events of each person's life. Knowledge and practice about puberty health lead to successful passage of this period. This study was aimed to determine factors predicting the knowledge and practice of girl students about puberty health in Tabriz high schools. Materials and Methods: This study was a cross-sectional stud...

Background: Adolescence is a critical stage of growth and development. That is associated with changes in body shape and appearance. Issues such as irregular menstrual periods, amenorrhea, and menstrual cycle are major issues in women's health. The purpose of this study was to examine the determinants of physical puberty health based on the Health Belief Model (HBM) among female adolescents. ...

The up-regulation and down-regulation of gonadotropin-releasing hormone (GnRH) in central precocious puberty is not yet known. However, recent advances in neuroendocrinology have shown the controlling role of arginine-phenylalanine RF-amide-related peptides (RFRPs) on GnRH secretion in different phenomenon of reproduction such as estrus cycle and pregnancy, but the exact role of RFRPs in pubert...