Do naturally skinny girls have smaller breasts (flat chest)?

I am 17 and at a healthy weight and my breasts are a B. Two of my best friends are underweight and both their breasts are A, so they look like they have flat chests. One of them is 17 and the other is 19. I was wondering if this is common..
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Most Helpful Girls

  • Breast are fatty tissue. So usually the more weight you have on you, the more you will carry in your breasts. But what that means is if you gain weight you will gain weight in your breasts also. But you may not gain so much weight that they become huge. How big your breasts can get depends on your genes. So lets say one of your friends has ancestors with large breasts. When she is underweight, she may have no breasts because she has no fat anywhere. But if she starts gaining weight, her breasts are going to get bigger and bigger. Because she has ancestors with larger breasts, they can get pretty big. Now if your other friend has smaller breasted ancestors the more weight she puts on, the bigger her breasts will get but she might top off at like a B cup. She may get bigger boobs but she doesn't necessarily have to have large breasts even if she gets overweight. She may still stay smaller but it will just be bigger than normal.

    Before plastic surgery became so common it was pretty much a given that if you wanted a girl with a really big rack, you needed to get a heavier girl. Occasionally thinner girls had big boobs but that wasn't always the case.

    If a woman is super thin with a large chest, she has probably had plastic surgery. I didn't realize until Angelina Jolie dropped all this weight recently that she had breast implants because now she still has about a C cup and is very thin. That's pretty impossible because breasts are just fatty tissue and when you loose fat huge amounts of fat, you will loose it everywhere.

  • breasts are primarily made of fat. skinny girls usually have smaller breasts because if they don't have fat anywhere else on their body, then they're probably not gonna have it on their chests. breast size is usually relative to body fat. but genetics also plays a large role, some girls are very slim, and have DD cups. some girls are obese, but they've still got B cups. women like that, however, are in the minority.

    when you walk into a lingerie department, you'll find that, usually, as the cup size goes up, band size goes up. you'll be hard-pressed to find a bra that's a size 40A or a 32E, but you won't have a problem finding a 40E or a 32A.

  • Although uncommon I am 17, underweight (bmi around 16.5) and have 32 DD boobs but my mother is naturally slim but has no boobs despite gaining slight weight in later life, none of my family are as slim as me with as big breast size... I don't know where mine came from

Most Helpful Guys

  • I think you know the answer to this yourself. Its pretty rare that a girl is naturally skinny AND has big boobs

  • as a rule of thumb, skinny = smaller boobs, but and hips. but like all rules, there are exceptions.

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What Girls & Guys Said

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  • nah I'm skinny and I don't have huge boobs but I have enough to look proportionate

  • I know a lot of girls who are naturally (really!) skinny but having smaller boobs. You could see it also on VS models and Taylor Swift.

  • Yep, it's normal. I'm naturally thin, (5'4 and 104lbs), and I'm an A-cup. There's nothing I can do about it, it's genetic.