Puberty Data For Girls And Boys
Girls
In some African-American girls, puberty begins earlier, at about age 9, meaning that puberty happens from ages 9 to 14. Leptin, a hormone produced by fat cells within the body, has been advised as one potential mediator of the timing of puberty. In analysis studies, animals deficient in leptin didn’t undergo puberty, but puberty started when leptin was administered to the animals. Further, girls with higher concentrations of the hormone leptin are recognized to have an elevated proportion of body fat and an earlier onset of puberty than women with lower ranges of leptin. The concentration of leptin within the blood is thought to extend simply before puberty in both boys and girls.
Chronic medical conditions, such as diabetes or cystic fibrosis, may trigger the delayed onset of puberty. Genetic circumstances, problems with the pituitary or thyroid glands, issues with the ovaries or testes, and malnutrition are different causes … Read More