Girls’ First Period

We have answers for girls and ideas for mothers. Don’t be afraid of talking about periods, sharing information and advice is the best way to understand your period and have a happy month!

Girls’ period: what you need to know

Young girl first periods thinking of using a menstrual cup

Have you just started your period? Or want to know what to expect?  Your period is a natural part of growing up, it is nothing to worry about – it is an important part of being a girl.

First period

Your period is blood passing out of your womb as part of a natural process to prepare your body for pregnancy. Now that your body is changing you can get pregnant, (and just before your first period too).

Your period happens once a month, and usually lasts between 2-7 days, but it may take a few months for your period to be regular and predictable, the first few may be light and irregular. You may find it useful to keep track of your period each month, to see when it is due and when it arrives. You can use an easy Period App.

Signs of period

Around the time of your first period, your body shape will become curvier, your hips and breasts will get bigger. You will also notice more hair growing in new places, under your arms and around your vagina. These are all normal changes and part of growing up.

Your first questions

Your period doesn’t have to get in the way of your life. It is normal and natural, and nothing to be embarrassed or worried about. We answer some of your first questions:

  • When will I get my first period?

    Many girls get their period between ages 12- 14, but it can also start earlier or later.

  • My period just started, what should I do?

    Don’t worry! Tell a parent, friend or teacher. Adults or older siblings can help you to get the right information and products that you need. You can buy a great illustrated story book that explains the changes in your body. Check it out here.

  • How long will my period last?

    Periods usually last between 2 – 7 days but all girls are different. If your period often lasts longer than 7 days, talk to a parent or a Doctor.

  • How much blood will I lose?

    It may look like a lot, but it is only around 3 tablespoons.

  • Will anyone know I am on my period?

    No. Unless you decide to tell, no one will know that you are on your period, there are no signs of menstruation visible to anyone else. However, It is a good idea to tell family or a friend for help.

  • Which product should I use?

    You have a choice of products, take your time finding the right one, we explain more about products below.

  • Can I go swimming or play sports?

    Yes! Some menstrual products let you exercise, swim and play sports as usual –tampons and menstrual cups.

If you have some unanswered questions or want to know more signs of menstruation and menstrual solutions, check out our FAQS.

How do I manage my period?

sister talks with younger sister about first periods menarche

There are different feminine hygiene products available. Find the right period solution for you, and take time to practice until you feel comfortable and confident. Always wash your hands before and after changing your period product.

Sanitary Pads

Pads or towels are worn inside your underwear, and stick down to hold in place. They absorb your menstrual flow as it leaves your body. Change your pad every 4-6 hours and dispose of in the rubbish bin.


Tampons are made from a cotton material and are carefully inserted into your vagina where they absorb your menstrual blood. They must be removed and changed every 4-8 hours. Dispose of in the rubbish bin.

Menstrual Cups

Menstrual cups are small cups that are inserted into your vagina, like tampons. They collect your flow and can be worn for up to 12 hours. They are made from a very healthy material and are washable and reusable – so they are good for the environment too! Check Get Started With a Menstrual Cup to find out more or order yours here.

For mothers


A girls first period is a special event! Spend time with your daughter to celebrate the start of a new chapter in her life. Sharing knowledge and experience is important to help your daughter feel comfortable and confident about the changes that are happening to her body.

  1. Reassure

    Preparing her before her first period can prevent worry. Let her know it is normal and natural.

  2. Share

    Talk from experience, let her know all girls go through it, you did too. Show her the hygiene products available and how to use them.

  3. Know the facts

    Have a look at our additional pages for information about everything from Period Problems to Menstrual Cycle and Get Started With a Menstrual Cup. Pass on the knowledge!

Learn more

If you have just started your period, you may have lots of new questions. We have put together some useful pages with the information you need to be confident and comfortable every day of the month. Have a look:

Try Ruby Cup with no strings attached

Every Ruby Cup comes with a life-changing Buy One, Give One cup donation and a 100% satisfaction guarantee. Switch size or get a full refund within 120 days, no questions asked. It’s time to make a change!