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When will I start my first period?? A quiz for girls.
mother and daughter before her first period

When will I start my first period? A Quiz for girls

Inside: The 'When will I have my first period?' quiz helps tweens work out when to expect their first period so they are prepared for the big day.

The 'When will I start my first period?' Quiz helps tween girls work out when to expect their first period so that they can be prepared for the big day.

And based on the number of messages I receive from girls asking 'When will I get my first period', it's  something that a lot of girls worry about. 

Waiting for your first period can feel like it takes forever, when you're a tween.  This first period quiz will help you and your tween to work out when their first period might happen.

So when will my daughter get her period? Grab your tween, sit down together, complete the period quiz,  find out if they are close to their first period,and see where the conversation goes! You might be surprised!

You'll find more information about puberty (and periods) in my Puberty 101 page. If you're feeling unsure about how to talk to your child about periods, you'll find some tips in this blogpost about the "period talk".

When will I start my first period? Quiz

You'll find the quiz, 'When will I start my first period?' Quiz for girls, below as well as some extra information and videos from my Youtube channel for tweens, Puberty Talk, that will help to explain anything your daughter may not understand.

Plus you find further information about predicting a first period,  below the quiz.

How old do you need to be for a first period?

99.9% of girls will get their first period between the ages of 9 and 15.

Most girls will start their first period when they are 12 or 13.

Some girls may be as young as 9 or 10. Whereas some girls may be 14 or 15.

Every girl is different and your period will start when your body is ready for it to start!

So knowing the age that a period is expected, is the first step for the 'When will I start my first period? Quiz for girls.

2 girls

Some girls get their period sooner or later than their friends

When did your mother start her periods?

Sometimes your period will happen at about the same time your mum started her periods. So if your mum started her periods earlier than the other girls, at around 9 or 10 or 11, then there is a good chance that you too will start earlier than most of your friends. If your mum started her period at around the same time that most of her friends did, at about 12 or 13, then there is a good chance you too will start at about the same age as most of your friends. If your mum started her periods later than the other girls, at around 14 or 15, then there is a good chance that you too will start later than most of your friends.

This isn't 100% accurate, as girls today are starting their periods at a younger age than their mothers did, but it gives you a 'rough idea' of what may happen for you!

So knowing the age that your mother started her period, is the next step for the 'When will I start my first period? Quiz for girls.

You'll have some pubic and/or underarm hair

You can't have a period without pubic hair or underarm hair. Pubic hair is the hair you grow between your legs in the pubic region. Underarm hair is hair that grows in your armpit. You don't need to have lots and lots of it but you do need to have some growing for a period to happen.

Pubic hair and/or underarm hair is an important sign for the 'When will I start my first period? Quiz for girls.

Your breasts will have started to grow

You need to have started growing breasts before you can have your first period. It doesn't matter what size they are, as long as something has started to grow.

Breasts too, are an important sign for the 'When will I start my first period? Quiz for girls.

You'll have some vaginal discharge

Vaginal discharge is basically liquid or moisture that comes out of your vagina. You might notice it when you go to the toilet, or think you have wet yourself (but you haven't), or you might notice some white or yellow patches in the crutch of your underpants. This is vaginal discharge and it happens to all females.

Vaginal discharge is an important sign for the 'When will I start my first period? Quiz for girls.

girl worried

A lot of girls worry about when their first period will start

The results

Likely

It is impossible to predict when exactly your period will start. But we do know that once these 3 things have happened - pubic or underarm hair, breasts starting to grow and frequent vaginal discharge - that you should have a period sometime within the next 3 to 6 months (possibly sooner or even later as every girl is different).

So you need to make up a period kit and start carrying it in your schoolbag so that you are ready, just in case your first period starts at school. You can learn how to make your own period kit in the video at the bottom of this page.

(No first period quiz can  accurately guess when a first period will start. It can only guess and give you a 'rough idea' of when it may happen.)

Unlikely

It is impossible to predict when exactly your period will start. The average age for a first period is 12 or 13 but some girls may be as young as 9 or as old as 15.

3 things need to happen before you have your first period:

  1. pubic or underarm hair
  2. breasts starting to grow
  3. frequent vaginal discharge

Once you have all 3 of these signs, you can expect your period to start sometime within the next 3 to 6 to 12 months (possibly sooner or even later as every girl is different). Which means that it will then be time to make up a period kit and start carrying it in your schoolbag so that you are ready, just in case your first period starts at school. You can learn how to make your own period kit in the video at the bottom of this page.

What do you need to be prepared for your first period?

Once you have the 3 signs - breasts, pubic/underarm hair and vaginal discharge - it means that your period will be starting sometime over the next 3 to 6 months. Which means that it is time to start carrying some period supplies in your school bag.

Watch the video below to learn what you can put inside your period kit!

Get some period pants

I'm sorry, but I am a huge fan of period pants.

In case you're not sure of what I am talking about, period pants are basically special undies with a pad sewn into them. And their is a special lining that stops the blood from leaking out. They work very similar to a cloth nappy with PUL lining.

So you can wear them on their own (I don't recommend this until your daughter knows her bleeding pattern and how often pads need changing) or with a pad (which means that if the pad fills up and leaks, the period pants will catch the blood with no staining).

And I feel that every kid who has a period, should have them.

I'll tell you why. The biggest fear kids have about periods, while they are waiting for their first period or waiting for their second, third or even tenth period, is that their period will start at school. And that they will have blood stains that everyone will see. And they will die of embarrassment.

And as a mother, with 'not so fond' memories of my own period stains, I remember that fear, and I also remember the shame (when it happened). 

The solution to all this is period pants.  Pants that kids can wear on days where they think their period is due but they're not sure. Or where they have all the signs and are still waiting for that first period, and where they might wear them daily until they feel less anxious or until their period starts.  Theyr eally do cut down on anxiety.

And my favourite brand is Modibodi. They are an Australian brand (and that isn't why I'm recommending them) and are very absorbent. I have tested them myself, along with a few other leading brands, over a 6 month period. And they held two to three times as much blood than other brands before leaking (26 mls for me on testing).  

So yes, these are the ones my daughter wears. And while she had those stressful months of waating for her first period, she wore them daily for a while. And now that she has her period, she still wears them when she's unsure about the timing of her cycle. Plus she wears them as back up when wearing pads.

So they are an investment to consider. You can look at the full range of Modibodi period pants here. Or read this blogpost to learn more about the best period pants for girls

And you can find my video review of them just below.  

Resources

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.

References

  • A Blessing Not a Curse: A Mother-Daughter Guide to the Transition from Child to Woman by Jane Bennett. 2002. Sally Milner Publishing Pty Ltd.  Bowral.
  • Adolescence and Puberty. Edited by John Bancroft and June Machover Reinisch. 1990. Oxford University Press. New York.
  • Gender Differences at Puberty. Edited by Chris Haywood. 2003. Cambridge University Press. Cambridge.
  • Handbook of Child and Adolescent Sexuality: Developmental and Forensic Psychology. Edited by Daniel S. Bromberg and William T. O’Donohue. 2013. Elsevier. Academic Press. Oxford.
  • Puberty: Physiology and Abnormalities by Philip Kumanov and Ashok Agarwal. 2016. Springer International Publishing. Switzerland.

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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