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Teen Girls' Health

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Dealing with Early Puberty

What to know if you're the first of your friends to start puberty.
WebMD Feature

Puberty isn't easy -- especially when you go through it before any of your friends.

"It's a huge amount of change in a very short period of time," says Pamela Murray, MD, MPH. "Change is always tough." Murray is a pediatrics professor at West Virginia University.

Recommended Related to Teen Girls

Girls and Puberty

Girls, see if this sounds familiar. You look in a mirror one morning and notice you're taller -- and rounder. Through your nightgown, you see your breasts are bigger. You don't remember looking like that a few weeks ago! Over the next few weeks, you start noticing hair in places you've never had hair before. You've heard girls at school talk about getting their periods, and you wonder if that will happen to you soon. You feel ultraconfident, and then super sensitive -- all in the same day. What in...

Read the Girls and Puberty article > >

Your body is going to go through a lot in just one to two years:

  • Growth spurt: Before you start your period, you can grow up to 4 inches in just one year.
  • New curves: You'll gain weight, especially in your hips, and your breasts will grow.
  • More hair: You'll get hair under your arms, in your pubic area, and on your legs.
  • Period starts: You'll get your first menstrual period.

You may also smell different (hello, body odor), feel more moody than you used to, and get pimples. On top of that, boys -- and sometimes, men -- may look at you more.

Here's how to deal with being the first in your crowd to reach puberty.

Puberty: When?

Many girls start puberty at about age 11 but some can start even sooner, such as age 8 or 9.  But it doesn't happen all at once.

Usually, you'll have a growth spurt first. Then your breasts grow. Body hair and pimples will pop up. Finally, at around age 12, you get your first period.

That's the average. But every girl is different. That's why you could be wearing a bra while all your friends are still flat as a board.

Some girls start puberty really early, such as second or third grade. So even if none of your friends have gotten breasts or their period, you can be sure that other girls your age definitely have.

Tricky Time

If you look a lot older than you are, that can be a problem.

"It's a tricky situation because although your body is fully developed, you're still 10 or 11 on the inside, which makes you very vulnerable," says gynecologist Crystin Megan Tirone, MD.

At 10 or 11, you may feel mature, but you're not old enough to understand the consequences of your actions. That can lead to taking risks -- with drugs, alcohol, and boys.

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