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Part of that evidence has been collected here

Early Menarche

canada goose outlet black friday sale Whilst early onset of puberty is considered normal and no cause for Canada Goose online alarm, scientists have been puzzled why the onset of puberty cheap canada goose uk has advanced so quickly in this century. Now research in New Zealand is finding that having a father present in the family is a significant factor in canada goose delaying pubertal development. Could this finding explain why the average age of menarche (first menstruation) occurs on average, at age 12 instead of 16, as it did 100 years uk canada goose outlet ago? canada goose outlet black friday sale

buy canada goose uk Improved nutrition can explain why the Canada Goose Parka average age of menarche has dropped, in the first world (where all people are relatively well nourished), but nutrition has little or no affect on an individual’s timings for pubertal development. New research indicates the most important factor in early menarche is the quality of a father’s investment in the family. Good relationships Canada Goose Jackets lead to later menarche. buy canada goose uk

canada goose vest outlet But even more controversial canada goose outlet is the finding that the absence of a father has a direct correlation to early onset of menarche and canada goose uk shop teenage pregnancy. In the 1830’s, the average age canada goose clearance of a girls first menstruation was 17. Now, it’s 13. And that poses a problem. canada goose vest outlet

canada goose uk site Bruce Ellis, Psychologist: Well if you want to ask the question about why does early Canada Goose Outlet puberty matter, it really matters because when puberty gets very early it’s no longer in synchronisation with cheap Canada Goose brain development. They have a souped up car but they don’t have the skills to drive it. canada goose uk site

canada goose outlet trillium parka black Narration: Scientists already know that most of the drop in the age of canada goose black friday sale puberty is because of better nutrition. But now, they’re worried there’s something more going on. Could the breakdown of traditional families be pushing some girls into even earlier puberty? Jacinta knows how hard it is to face growing up when all her friends are still playing dolls. She’s 19 now, but she hit puberty at nine. canada goose outlet trillium parka black

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canada goose outlet 80 off Jacinta: Very. All my friends weren’t going through it and I thought ah. What’s wrong with me? And I canada goose coats didn’t have enough guts to tell my mum, and when I finally did, my mum’s like oh that’s normal bub. It’s alright, it’s alright it’s what happens, I’ve already had a talk to you, you know that’s what happens. And I’m like but I don’t want to be an adult yet. canada goose outlet 80 off

canada goose factory outlet toronto location Narration: Until recently, this was put down to genetics or nutrition. But there’s growing evidence something in Jacinta’s childhood helped switch on puberty early. Part of that evidence has been collected here, in Christchurch New Zealand. Canada Goose Coats On Sale Dr Bruce Ellis is a research psychologist from Canterbury University and he’s on his way to give a public talk about his findings. canada goose factory outlet toronto location

canada goose outlet in usa Dr Bruce Ellis: What kind of people are in the audience? I think it’s canada goose factory sale a lot of dad’s and a lot of men. canada goose outlet in usa

canada goose parka outlet uk Narration: He’s speaking to the Christchurch Men’s and Father’s network support group. And what he’s about to tell this mostly male audience is potentially dynamite. canada goose parka outlet uk

canada goose outlet niagara falls Dr Bruce Ellis: Why are girls growing up faster? Is it the hormones, is it the fat, is it something in the water? canada goose outlet niagara falls

canada goose outlet reviews Narration: Astonishingly, Bruce has found one of the most important factors in determining early puberty is the father. canada goose outlet reviews

canada goose outlet online store review Dr Bruce Ellis: It was really the canadian goose jacket relationship with the fathers, not the mothers, that was predicting timing of puberty. There seems to be something special about the role of fathers in regulating daughters sexual development. canada goose outlet online store review

canada goose factory outlet vancouver Narration: This startling claim comes out of long term studies of several hundred families in the US, and here in Christchurch. Natural fathers seem to protect against early puberty. canada goose factory outlet vancouver

canada goose outlet germany Dr Bruce Ellis: The more buy canada goose jacket cheap interaction, the more number of hours that fathers spent taking care of the canada goose uk outlet daughter, uk canada goose the more close and warm those interactions were, the later the daughter was going through canada goose coats on sale puberty. But if the relationship with the father Canada Goose sale was cold, or if the father was completely absent, puberty came early. And the most crucial time for this father effect to occur seems to be the first five years buy canada goose jacket of a girls life. It’s a trend that rings true for Jacinta. Sadly, she never even got to meet canada goose store her father. canada goose outlet germany

canada goose outlet parka Narration: So how could father absence affect the rate of a girls maturity? Bruce suspects it’s not just the absence of the natural father that’s the issue. It’s the presence of other men in the home. canada goose outlet parka

canada goose outlet winnipeg Dr Bruce Ellis: Our data suggests that the intervening mechanism might be the presence of stepfathers in the home. And we found it’s not so much the amount of time that the father is absent, rather the amount of time that the girl is exposed to stepfathers that accounts canada goose uk black friday for earlier puberty. canada goose outlet winnipeg

canada goose outlet in vancouver Narration: Bruce can’t be sure what’s going on here. But in the animal world, it’s known that exposure to strange males can bring on early puberty. And the way it happens is through pheromones imperceptible chemical odours that many animals excrete. canada goose outlet in vancouver

canada goose outlet location Dr Bruce Ellis: So for instance if you take a female rat and you stick her in a cage where an unrelated adult male has been sleeping and that cage is saturated with the pheromones, she will tend to go through puberty more quickly than if she was just stuck in a cage that didn’t have the pheromones. canada goose outlet location

canada goose outlet store uk Narration: It is possible that undetectable pheremones from stepfathers are causing girls to develop early. But could there be another cause entirely? Could it be all about the stress created when a family breaks canada goose clearance sale up? Here in Melbourne, another researcher is suggesting exactly that. Dr Julie Quinlivin works at the Royal Women’s hospital as an obstetrician and gynaecologist. canada goose outlet store uk

canada goose outlet online uk Dr Julie Quinlivin: It varies from about 14 to 20 consultations per doctor in this clinic. canada goose outlet online uk

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