How To Know When You're Ready For A Bra: 9 Steps (with Pictures)

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When Should Girls Start Wearing Bras? Signs to Look For Download Article Plus, how parents can talk to their daughters about bras Co-authored by Katie Quinn and Raven Minyard, BA

Last Updated: February 25, 2026 Fact Checked

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• Signs You’re Ready
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• Choosing a Bra
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• Finding Your Bra Size
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This article was co-authored by Katie Quinn and by wikiHow staff writer, Raven Minyard, BA. Katie Quinn is an Image Consultant, Personal Wardrobe Stylist and the Founder of Q the Stylist, an image consulting service based in New York City helping men and women understand their specific goals, improve their wardrobe, performance, and life. She has over 11 years of image consulting experience and has worked as a stylist for Trunk Club, Modewalk, and Moda Operandi. Her work has been featured in Vogue, InStyle, Martha Stewart Weddings, Sheridan Road, Slate, Newsy, Rue, and Thrillist. There are 11 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 1,251,863 times.

Getting a first bra is a really big deal for any girl. You might feel excited, embarrassed, or a mixture of both. This is totally normal! If you’re wondering if it’s time to start wearing a bra, you’ve come to the right place. We’ll list common signs you’re ready for a bra and explain how to choose your first bra. If you’re a parent, we’ve also included info on how to talk to your daughter about wearing a bra.

At what age do girls start wearing bras?

Girls typically start wearing bras once they’ve developed breast buds or enter puberty. This is different for every girl, though most usually start wearing training bras between the ages of 8 and 13. If your breasts and nipples have started to grow and feel sensitive, it’s probably time for a bra.

Steps

Section 1 of 4:

Signs You’re Ready for a Bra

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1. 1 You develop breast buds or tenderness. Breast buds are small bumps that appear under each nipple. They’re often the first sign of puberty in girls and usually appear between the ages of 8 and 13. Breast buds mark the beginning of breast tissue development and may cause tenderness or sensitivity as they grow.[1]
   • It’s normal to feel a bit of soreness at this time. It just means you’re starting to develop, and there’s nothing to worry about.
2. 2 Your nipples have started to protrude. As your breasts develop, your nipples and areola (the circle of skin around the nipples) will begin to grow. You may notice that your nipples are visible under your shirt, especially if you’re wearing a thinner fabric.[2]
   • Your nipples and areola may also get darker as your breasts develop.
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3. 3 Your breasts have started to grow. One of the most obvious signs you’re ready for a bra is that your breasts have started to develop. You’ll likely notice a slight curve on your chest, and your breasts may have a pointy shape at first. Every girl is different, so you may develop breasts more quickly or more slowly than other girls your age.[3]
4. 4 Your breasts chafe against your shirt. As your breasts grow, you may notice they’re suddenly more sensitive to certain materials and sensations. You may experience uncomfortable chafing or irritation from seams, rough materials, or repeated movements.
5. 5 Certain exercises cause physical discomfort. As your breasts develop, the increase in size or weight may cause them to hurt or feel uncomfortable when you move around. This is often most noticeable when you’re running, jumping, dancing, or doing other sports.
6. 6 You’re experiencing other signs of puberty. Developing breasts is just one of the many changes your body will go through when you enter puberty. Most girls start to go through puberty between the ages of 8 and 13, with an average age of 11. Even if your breasts haven’t started growing yet, you may be ready for a bra if you’ve experienced the following signs of puberty:[4]
   • Growing body hair: You may notice hair growing in your pubic area or under your arms. In some girls, pubic hair actually develops before breast buds appear.[5]
   • Starting your period: Menstruation is one of the most obvious signs of puberty. Your period might be infrequent at first, and you may notice vaginal discharge about 6 months before your first period.
   • Weight gain or changes to body shape: Puberty can cause some girls to gain weight, especially in the belly area. You may notice other parts of your body looking more rounded, too, including your hips, thighs, arms, and legs. This is a natural sign that you’re starting to mature physically.
7. 7 You just want to wear one. Some girls look forward to wearing bras, while others dread it. Both are totally normal reactions! If you want to wear a bra, it probably means you’re ready for one, even if you haven’t noticed signs of breast development. Ultimately, it’s up to you and what you’re comfortable with.
   • That being said, there’s no need to feel insecure if other girls have started wearing bras and you haven’t. Everyone’s journey is unique.
   • Growing breasts is nothing to be embarrassed about—it's totally natural. But if you’re feeling self-conscious and trying to hide the changes to your body, it may be time to ask your parents or guardians for a bra.
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Section 2 of 4:

Choosing Your First Bra

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1. 1 Start with a training bra. When buying your first bra, it’s typically recommended to start with a training bra. Training bras are specifically designed for girls who are just starting to develop breasts. They’re typically smaller and less structured than regular bras and are made of soft, stretchy materials to make them more comfortable for the wearer. They add coverage, reduce chafing, and help you get used to the feeling of wearing a bra.[6]
   • You want to find a very comfortable bra for your first one. Training bras are usually simple, stretchy cotton bras without cups.
   • These bras are a lot more comfortable, and they almost look like crop tops, so you might feel less embarrassed because they won't be as obvious.
2. 2 Choose a bra with a soft cup if you've developed further. If you have grown breast tissue beyond the buds, and if you measure an A cup or more, it’s time to transition to a cup bra. Soft cup bras offer more support than a training bra but still use soft material, no padding, and (usually) no underwire, so they’re still pretty comfortable to wear.[7]
   • Measure yourself or ask your mother to measure you every four weeks so you can figure out when you need a soft cup bra. These don’t push up or otherwise change the shape of the breasts, so they are appropriate for young girls.
   • Underwire bras are also not a wise choice for a first bra; they provide more support for girls with very large breasts, and since you're just starting to develop, that's probably not needed.
3. 3 Try different bras until you find one that works for you. Everyone has different needs, and different types of bras offer different features. Try on bras made from different materials and designs. Decide if you want padding or no padding or if you want a hook or hook-free bra. You may even want to buy a couple of bras for different scenarios!
   • For example, a sports bra is a good idea for gym class or if you play a sport. They’re designed to be flatter in the cup area and are very comfortable, so you can also wear them even if you don’t play sports.[8]
   • Padded bras offer a little extra coverage and shaping, making them ideal for anyone who might feel a bit self-conscious about their changing body.
   • Bralettes are made without underwire or heavy padding, and they come in a variety of fun designs and colors, making them appealing to teens and preteens.
   • Camisole bras offer the coverage of a camisole with the support of a bra. They’re a good option if you want more coverage or a smooth look under your clothes.
   • Buying bras in different colors can help you match them to the shirt, so they don't show through (for example, you wouldn't want to wear a black bra with a white shirt if you have light skin).
4. 4 Make sure the bra fits correctly. Your bra should feel supportive without feeling restrictive. If it fits correctly, the band will feel snug but comfortable, and it will stay in place without squeezing. It will also sit level all the way around the body. There should be no gaping or bunching in the front, and it shouldn’t ride up in the back.[9]
   • If your bra doesn’t fit correctly, you may notice strap marks or redness after wearing. This means the straps or elastic are too tight.
   • If you keep having to tug or adjust it, it probably doesn’t fit right.
   • Learn how to determine your bra size below!
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Section 3 of 4:

How to Find Your Bra Size

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1. 1 Measure under your bust to find your band size. In the United States, your bra size has two aspects: your cup size and your band size. Your band size is measured in inches and is represented by the number in your bra size (ex: the 34 in 34A). To find it, wrap a tape measure around your rib cage, just under your breasts. It should fit snugly, but not too tightly. Write down the number in inches.[10]
   • If you don’t feel comfortable measuring your bra size, consider asking your parent or guardian to take you to a department store. A saleswoman can get you measured and fitted for your first bra.
2. 2 Measure the fullest part of your bust to get your bust size. Your bust size is required to find your cup size. Wrap the tape measure around the fullest part of your bust, again making sure it’s snug but not too tight. Write down this number in inches, as well.[11]
3. 3 Subtract your band size from your bust size to get your cup size. Your cup size refers to the volume of your breast and is represented by a letter. To find it, subtract your band size from your bust size. The difference in inches will tell you what your cup size is. For example:[12]
   • 1 inch (2.5 cm) = A cup
   • 2 inches (5.1 cm) = B cup
   • 3 inches (7.6 cm) = C cup
   • 4 inches (10 cm) = D cup
   • In other countries, like the UK, cup sizes can be different (AA, A, B, C, D, DD, etc.)
   • If you end up with an odd number, round up to the next even number. This is especially important while your breasts are still developing. If you round down, you likely won’t fit in the bra long because you’re still growing.
   • Girls are usually ready for a bra when they have an A cup. [13]
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Section 4 of 4:

How to Talk to Your Daughter About Bras

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1. 1 Talk to your daughter about puberty. Puberty can be a very complicated time for girls, so as a parent, you want your daughter to feel as comfortable and confident as possible. Be direct, but keep your tone supportive. Tell her what changes she can expect her body to go through and why these changes are totally normal. Explain why it might be time for her to start wearing a bra, but let her know it’s ultimately her decision and you want her to be comfortable. Answer any questions she may have.[14]
   • If your daughter feels uncomfortable talking to you about this, consider getting her a book that explains puberty. She can read it at her own pace and come to you when she’s ready.[15]
   • Parenting specialists Wits End Parenting say it's important to approach sensitive topics gently so you don’t make your child feel ashamed.[16]
2. 2 Validate her feelings. Whether your daughter is excited to wear a bra or not, it’s important to listen to what she has to say. Reassure her that what she’s feeling is totally normal, and that there’s nothing to be ashamed of. Remind her that women come in all shapes and sizes and that she’s beautiful no matter what.[17]
3. 3 Don’t pressure her if she isn’t ready. Some girls look forward to wearing a bra, while others would rather put it off as long as possible. If she seems reluctant to talk about bras, or even outright refuses to wear one, try not to push it or turn it into a debate. Respect her decision, but keep the door open to revisit the topic when she’s ready.[18]
   • Even if you see physical changes in her body, don’t try to force her to do something she’s not ready for.
   • Consider offering alternatives. For example, she might be willing to wear a tank top under her shirt to offer more coverage.
   • On the other hand, don’t prevent your daughter from wearing a bra just because you don’t think she’s ready. If she’s asking to wear one, there’s probably a reason! She may feel insecure if you don’t allow her to wear one.
4. 4 Avoid talking about her situation with other people. Many girls feel insecure or sensitive when they start wearing a bra, so your daughter might not want other people to find out. Show her that she can trust you by not discussing the topic with others, including other family members. If she finds out you’re sharing her situation with others, she may be reluctant to talk to you about these things in the future.[19]
5. 5 Show her how to wear and care for her bras. Talking about bras can be uncomfortable for parents, too, but remember that your daughter has never done this before, so she might need you to show her how things work. Show her how to put on, fasten, and adjust her bra so it fits comfortably. Don’t assume anything is obvious just because you know how to do it!
   • You might also want to explain to her that she doesn’t need to wear a bra at night or that putting her bra in a delicates bag can protect it from damage in the wash.
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Community Q&A

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• Question Should I wear a bra to school if I'm concerned about what people might say? Community Answer Don't worry about what others think; if wearing a bra makes you more comfortable, go ahead and wear one. Most people probably won't notice, and if anyone does say something, you can simply ask them to mind their own business. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 125 Helpful 1234
• Question How can I determine if I'm ready to start wearing a bra since my breasts have started to wobble? Community Answer If your breasts have started to wobble, consider starting with a training bra or sports bra without padding. You can transition to more structured bras as you grow and feel more comfortable. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 136 Helpful 907
• Question Is it normal for an 11-year-old to have breast pain? Community Answer Yes, it's perfectly normal. Girls develop at different ages, and many your age may experience the same thing. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 101 Helpful 946

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• Don’t feel embarrassed about wearing a bra at a younger age than some people. All girls are different. It doesn't matter if you start wearing them at 8 or 18. Thanks Helpful 0 Not Helpful 0
• Don’t feel scared to tell your mom that you think you need a first bra. She has been through that experience before, so she will understand! Thanks Helpful 0 Not Helpful 0

Tips from our Readers

The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.

• If you see something on your chest that concerns you, don’t be afraid to talk to your mom or another woman.
• If you feel awkward talking to your mom about this topic, leave a note where only your mom can find it!
• If you have an older sister, talk to her if you’re embarrassed to tell your parents.

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References

1. ↑ https://kidshealth.org/LurieChildrens/en/kids/breasts-bras.html
2. ↑ https://kidshealth.org/LurieChildrens/en/kids/breasts-bras.html
3. ↑ https://kidshealth.org/LurieChildrens/en/kids/breasts-bras.html
4. ↑ https://www.healthychildren.org/English/ages-stages/gradeschool/puberty/Pages/Physical-Development-Girls-What-to-Expect.aspx
5. ↑ https://www.healthychildren.org/English/ages-stages/gradeschool/puberty/Pages/Physical-Development-Girls-What-to-Expect.aspx
6. ↑ https://tweenbra.com/what-does-a-training-bra-do-a-moms-guide-to-supporting-your-daughter
7. ↑ https://kidshealth.org/en/kids/breasts-bras.html
8. ↑ https://kidshealth.org/LurieChildrens/en/kids/breasts-bras.html
9. ↑ https://www.kidzworld.com/article/950-bra-basics

More References (10)

10. ↑ https://www.kidzworld.com/article/950-bra-basics
11. ↑ https://kidshealth.org/LurieChildrens/en/kids/breasts-bras.html
12. ↑ https://www.vogue.com/article/how-to-measure-for-a-bra
13. ↑ https://www.familyeducation.com/teens/puberty-sex/changes/adolescents-bras
14. ↑ https://www.healthychildren.org/English/ages-stages/gradeschool/puberty/Pages/Physical-Development-Girls-What-to-Expect.aspx
15. ↑ https://www.healthychildren.org/English/ages-stages/gradeschool/puberty/Pages/Physical-Development-Girls-What-to-Expect.aspx
16. ↑ Wits End Parenting. Parenting Specialists. Expert Interview
17. ↑ https://brafittingsbycourt.com/blogs/blog/five-tips-to-buying-your-daughter-s-first-bra
18. ↑ https://sugaplum.co.uk/how-to-approach-the-first-bra-as-a-parent/
19. ↑ https://www.thebreastlife.com/buying-your-daughter-her-first-bra-five-dos-and-donts/

About This Article

Co-authored by: Katie Quinn Image Consultant This article was co-authored by Katie Quinn and by wikiHow staff writer, Raven Minyard, BA. Katie Quinn is an Image Consultant, Personal Wardrobe Stylist and the Founder of Q the Stylist, an image consulting service based in New York City helping men and women understand their specific goals, improve their wardrobe, performance, and life. She has over 11 years of image consulting experience and has worked as a stylist for Trunk Club, Modewalk, and Moda Operandi. Her work has been featured in Vogue, InStyle, Martha Stewart Weddings, Sheridan Road, Slate, Newsy, Rue, and Thrillist. This article has been viewed 1,251,863 times. 272 votes - 84% Co-authors: 56 Updated: February 25, 2026 Views: 1,251,863 Categories: Brassieres Article SummaryX

To know when you’re ready for a bra, note if you feel breast buds poking through your shirt, if your nipples are getting darker or bigger, or if your feel some tenderness or soreness around your breasts. If you feel ready to pick your first bra, try a training bra or a sports bra as a comfortable choice. When your breasts get bigger, you’ll want more support, so look for a bra with soft cups that fit your body well. After getting your first bra, only wear it during the day since it can be uncomfortable and unnecessary to wear a bra at night. To learn how to figure out your bra size, keep reading! Did this summary help you?YesNo

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