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Now the average age for a first period is closer to 12, with one University of Cincinnati study reporting that about 10 to 15 percent of girls enter puberty at age 7 or younger, a phenomenon known as precocious puberty. +
+This is up from just 5 percent in similar studies conducted in the early 1990s. Important thing which I found while reading is here:
Occasionally, precocious puberty can be triggered by genetic mutations that trigger the release of sex hormones.
Occasionally, precocious puberty can be triggered by genetic mutations that trigger the release of sex hormones.
+Most often these children have a parent or sibling with similar genetic abnormalities.
Links where I found this thing
https://abcnews.go.com/Health/puberty-start-early-experts/story?id=21603265 https://www.webmd.com/children/causes-symptoms
https://abcnews.go.com/Health/puberty-start-early-experts/story?id=21603265 https://www.webmd.com/children/causes-symptoms
This thing too to be noted. Usually, they have talked about obesity in links. But psychological factors are equally important.
There is a large body of research that shows a link between toxic stress and the earlier onset of puberty. +
There is a large body of research that shows a link between toxic stress and the earlier onset of puberty. +
For example, girls who grow up with domestic violence or without a biological father in the house are more likely to get their periods earlier than other girls. +
+The theory is that the brain perceives this chronic stress as a low-grade threat, triggering the brain to start reproduction as soon as possible. From here : https://health.usnews.com/wellness/for-parents/articles/2017-04-06/why-are-girls-starting-puberty-earlier
The national average age for a girl to get her first period is 12, and girls can start as early as age 8.
The importance of family is here
. https://www.psychologytoday.com/us/blog/the-stone-age-mind/201202/why-are-girls-getting-their-periods-so-young
The importance of family is here
. https://www.psychologytoday.com/us/blog/the-stone-age-mind/201202/why-are-girls-getting-their-periods-so-young
+ EMA encouragers should check this. As I said, not only environment ,chemicals and all that play a part but also your *family * environment plays a part. I know noone will read all this. Main point is environmental factors as well as psychological factors play a part here.
