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How to spot the first signs of puberty in girls
signs of puberty in girls as girl walks away

How to spot the first signs of puberty in girls

Inside: By looking our for the first signs of puberty in girls, parents can be prepared and start talking to their daughters about puberty BEFORE their body starts to change!

You might already be seeing the first signs of puberty in girls - either in your own daughter or in the girls around her.

But you're not alone if you feel that puberty has crept up on you, out of the blue. It happens to us all.  Yesterday, they looked like little girls but today, you see them blossoming into womanhood.

You can read about the signs of puberty in boys here

You'll find more information about puberty in my Puberty 101 page.

When to expect the first signs of puberty in girls

So when should you expect to see the first signs of puberty in girls?

For girls, puberty usually begins around the age of 9 to 10. It can be as early as 8 (yes, that early) or as late as 15. Every girl is different and puberty will begin when her body is ready for it. You can’t rush it!

The timing of puberty is influenced by many things – diet, body weight and their environment. The chances are, that if you were an early or  late bloomer, that your daughter will be as well.

What are the first signs of puberty in girls

So although the timing of puberty can be different for every girl, the sequence of changes are much more predictable. There is a usual pattern of changes that we can expect.

We can expect emotional and physical changes that will prewarn us that puberty is on it’s way.

girls smiling

Some kids start puberty sooner or later than their friends.

Emotional signs of puberty in girls

If I had a dollar for every time a mother told me that her daughter was starting to get quite moody lately, I would be a rich woman! So a change in moods can be one of the signs of puberty in girls. And this happens thanks to the fact that the body is starting to produce hormones, and we all react differently to hormones. Some girls will have a stronger reaction which means that their mood swings will be much more dramatic! But for some girls, you may not notice a change in mood at all!

Physical signs of puberty in girls

The physical signs of puberty in girls are a lot easier to spot! And possibly even easier to live with, once you get over the initial shock of realising that their childhood is being left behind.  You’ll start to see physical changes anywhere between the ages of 8 to 14. And remember every girl is different – some girls will be earlier or later than their friends. And some may have changes in a slightly different order!

Usually, before anything else, you’ll notice that they have gone up a shoe size or two. So you can expect their feet and hands to have a growth spurt.

The next signs of puberty in girls, you’ll see will be the start of breast growth ie her breasts will begin to bud. This means that small lumps the size of a blueberry or marble will develop directly beneath your daughter’s areola and nipple. You will probably notice this under her clothing or when you see her naked. Most girls will start to become more self-conscious as their body changes, so you might notice that they are no longer parading around the house naked.

Her body shape will also begin to change with her hips, thighs and bottom becoming wider and more rounded. She will also start to gain weight as her body begins to grow. The amount of fat tissue in their body will increase by around 125%. This means that a quarter of her body weight will end up being fat. You may notice stretch marks, or little scars, where the skin is pulled from growing fast. Over time, these will usually fade.

At the same time, the first pubic hairs will appear. Pubic hair can sometimes start before breasts for some girls, so don’t be alarmed if this happens to your daughter. They will start off being fine, soft and straight. It isn’t until later that they become darker, curlier and thicker like the pubic hair that parents have. Their hair may also start to thicken on their lower legs.

Some girls may be aware of a change in regards to how their vagina feels. They may start to notice white or yellow patches of dried secretion on their underpants or feel the sensation of liquid dripping out of their vagina (deposit). This vaginal discharge is all normal, and due to the hormone oestrogen.

2 girls hugging

Puberty is nearly over!

But don’t stress, you have a few years yet until her period starts. And there are a few more signs of puberty in girls that have yet to appear. There are still some changes that have yet to happen before her first period – she’ll have a growth spurt and be a lot taller and curvier, her breasts will have started to grow properly, she’ll have more adult-like pubic hair and some underarm hair, and more vaginal discharge.


There are many fantastic books that can help you to start having those first conversations with your daughter.

Hair in Funny Places is a great first book for talking about puberty. It is funny and enjoyable story to read. It is one that you can start reading to your daughter from about the age of 5 or 6. This then helps to plant the seeds early about the fact that one day her body will begin to change, meaning that she won’t find it a big shock when puberty finally arrives.

When it comes to puberty books, there are 3 types.

The first type of books are the  ones that are written for girls who are either curious or are starting to show early signs of puberty. These books just talk about puberty and avoid the topic of sex. You can find examples of these puberty books for younger girls here.

The second type of books are for girls who are a little bit older, and these books are beginning to talk about sex. You can find examples of these puberty books for slightly older girls here. 

The third type of books are for older girls who are already showing signs of puberty, are teenagers and curious about sex. These books are almost sex manuals and they provide a lot of information about sex. You can find examples of these types of puberty books for girls here. 

If you’re unsure about how to start talking to your daughter, Puberty Girl – How to talk about puberty and sex with your tween girl, will help you to get started. It is a straightforward common-sense guide that doesn’t just tell you what to talk about, but how to start saying it. 

So, these are the signs of puberty in girls that you should be looking out for, the ones that you can expect to find before they have their first period. Once you begin to see these, you’ll know that puberty is well and truly, on it’s way. And hopefully, you’ll start talking before too many more changes have happened.


My mission is to create resources that will help you to naturally talk to your kids about sex, all while respecting your personal values.

Which means that inside this website, you'll find lots of resources to help you with talking to your child about puberty.

My Puberty 101 page includes all of the information on puberty. You'll find lots of different blogposts to help with talking to your child about growing up.

You'll find videos about puberty in my Sex Education Videos resource page that you can watch with your child or to learn more about puberty yourself.

You’ll also find an extensive range of children’s books on puberty, for kids of all ages. 

If you get stuck and feel that you need some extra support with talking to your child about puberty, then my book, Boy Puberty – How to talk about puberty and sex with your tween boy or Girl Puberty - How to talk about puberty and sex with your tween girl, may be helpful. It's a straightforward common sense guide that will help you to start having honest conversations that will guide your child through puberty, and strengthen your relationship without feeling embarrassed, awkward or nervous.

If you need some help with explaining sexual intercourse to your child, then How to Talk to Kids About Sex will help you explain sex to your child in a way they will understand. It breaks it down into simple steps that  take the stress out of explaining!

If you want a printed book to hold in your hands, then the  The Sex Education Answer Book will give you age-specific answers to the most common questions kid's ask parents about sex. Which means you don't need to worry about finding a child-friendly explanation that your child understands. 

If you want the answers to questions about a lot more than just sex, then Sex Ed Quickies is your best option. It has answers to 300+ questions  that kids commonly ask parents,  including how babies are made, sexual intercourse, body parts, puberty, relationships, pregnancy, birth, masturbation, sexual diversity, gender, pornography, STIs, contraception and much more.

About the Author Cath Hakanson

I'm Cath, a sex educator living in Australia with my husband and 2 kids. I help parents to talk about sex (with less cringe and more confidence) and empower their child to make smart sexual decisions. To find a better way to talk about sex, you can join my community of parents and visit my shop for helpful resources.

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