Is it normal for my breast to periodically expand?

I'm not sure if anyone has asked this question before since I think that this is so strange.
Basically, I'm minding my own business when suddenly my breast start expanding about 1.5 times larger than they were.
I'm not doing anything out of the ordinary meaning I'm not partaking in any activity or behavior that would cause a sudden growth or expansion such as getting horny, touching myself, having sex, perverted thoughts,etc.
So long story short, is it normal for my breast to just periodically expand for no apparent reason at all?

Is It Normal?
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Comments ( 12 ) Sort: best | oldest
  • It happens sometimes when you are due your period, you bloat up and your boobs can become a bit bigger.

    It's normal.

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    • but i'm nowhere close to having my period whenever this happens. In fact this happens on a daily basis.

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  • Yep, its from the hormones getting ready for menstruation. You are normal :)

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    • So even though I'm nowhere close to having my period my body is somehow preparing to have a period? and i'm confused as to what "hormones getting ready for menstruation" even mean.

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  • It is normal based on how much water is in your body, how much fat your body is processing, etc. It can also be inflammation of the glands in your breasts - if they feel lumpy or painful. Try wearing very loose fitting bras like sports bras or even training bras. I have to keep all sizes of bras in my house because mine are particularly succeptible to this.

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  • My breasts always become a little bit bigger before I start my period, so it's normal.

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  • I've only heard of this happening to women with implants on airplanes.

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    • LOL actually myth busters prove that you have to be on altitudes that are humanly impossible to be on an airplane for

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  • Axel x roxas forever :D (cough, cough!) um... Anyways. Yeah. I think it's normal.

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  • they grow 1.5 times bigger?? so they burst out of your bra and shirt? are you the same person who claims that their body grows when they have sex?

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  • I've never heard about boobs getting bigger as the girl is aroused.....

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    • She isn't saying it happens when she is aroused, try reading again please...

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