Can my breasts grows at 18?

Question

My boobs have recently started growing and I have no idea why. I've always weighed around 105-110 with a high metabolism, but recently I've been more active and eating more but my waist has stayed the same. I've always had larger hips, but always a B cup, as of right now I'm struggling to stay in my B cup and it only started about two weeks ago

Jeffrey A. Sweat, MD · Answer

Breast development can continue even into your early 20's (usually complete by at least age 21 or 22).  Also, because breasts are partially composed of fatty tissue, weight gain can also increase their size, thought this doesn't seem to be the case for you.  You may also notice fluctuations in your breast size depending on your menstrual cycle in addition to the other factors outlined by the other surgeons who have responded to your question.  A longer period of time (over the next few weeks or months) should help to determine if this is temporary or hormonal.

Vincent N. Zubowicz, MD · Answer

By 18 breast sizes established almost all women. There are however exceptions. You might be one of those.

Jed H. Horowitz, MD, FACS · Answer

Yes, it is possible for your breasts to grow after puberty. Your breasts will increase and decrease in size with weight loss. In addition, if you are recently taking birth control, this can also affect your breast growth in some women. #PlasticSurgery #Breastsize

Christina Y. Ahn, MD · Answer

Yes, it is possible, although most mature by age 18. Changes in breast size fluctuate throughout life in response to hormone levels and weight losses or gains. Some women experience growth into their 20's, but if your breast size remains stable for 6 month-1 year, you may assume that maturation is complete.

Ed Breazeale, Jr., MD · Answer

Thank you for your question. Breast growth at 18 can be totally normal. Some development continues in women thru their early 20's. Hormone related breast growth can start and stop at any time. Weight gain and loss are also big factors in breast size.

Bryan Correa, MD · Answer

Breast growth can stretch into the late teens or even early 20's sometimes. Some women also have strong responses to their menses and this response can also change with time. I would recommend follow up and monitoring with your OB/Gyn.I hope this is helpful

Vasdev Rai, MD · Answer

Yes.  Each body is unique identity and does not have to follow established time tables.  There is nothing to worry.  Your hormone levels could have just revved up. It is ok.

Traci Temmen, MD · Answer

Yes, your breasts can continue to grow at and past the age of 18. This is in no way abnormal, as your body has likely still not fully matured. You may find that your breasts continue to grow for a few weeks, months, or years. Once they have stopped growing for several months to a year, they are likely done maturing for the most part.Traci Temmen, MD

Joseph L. Grzeskiewicz, MD, FACS · Answer

Breasts are mostly a combination of fatty and glandular tissues, and either of those parts can continue to grow at any point in your life, depending upon the influences or stimuli that they receive.  This could be a normal thing based upon what's going on in your life at the moment, or it could be an indication of something that needs to be looked into.  For instance, if you begin to gain some weight, and your fatty tissues increase, the breasts would be expected to increase in size too.  Sometimes, probably for mostly genetic reasons, a woman's breasts may be a bit more sensitive than other areas to weight gain like this, and they can begin to increase before other body areas.  The glandular tissues are mostly sensitive to hormonal influences, and things like fluctuations in your own body's hormone levels, such as might still be happening in a young lady your age, or any outside hormones you may be using like birth control or dietary supplements that might behave like estrogen or stimulate estrogen production in your body, may cause an increase in the size of your breasts.  If you are sexually active, another thing that needs to be considered is pregnancy, as some enlargement of the breasts can sometimes be one of the earliest indications of this.  Also, there are some unusual hormone factors too, like benign growths in the pituitary gland which can stimulate breast growth and milk production, and this can cause an increase in breast size too.  This one usually also causes some milk production, so one may also notice some leakage from the nipple or staining of the bra.  If you are experiencing any pain or tenderness of the breasts, or if you think that the breasts are enlarging irregularly - one breast larger than the other, or one breast larger in one area than the other - or, if you feel any lumps or masses in the breasts, it is very important to have your doctor examine your breasts.  Also, if you notice any other associated findings, like changes in your mood, your menstrual cycle, energy level, or any other sensations that just don't seem "normal" to you, it is always best to err on the side of safety and just have your doctor check you out.  I hope this helps.  Good luck!

Tom J. Pousti, MD · Answer

Thank you for the question.There is no specific age when  breast development stops. You will know when you have  reached a longer-term size/shape when your breasts have not changed for approximately one year. This age may be 16 for some and 20 for others. Best wishes.

Can my breasts grows at 18?

Answers (11)

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