The More Breast Tissue You Have, the More Ccs You Need for Implants?

Is it safe to say that the more breast tissue you have, the more cc's you need to achieve whatever your goal may be, compared to someone who has less breast tissue? For example, an A cup getting 200cc will probably make her 2 cup sizes bigger whereas a C cup using 200cc, may not even do much? Also if you're going under the muscle or dual plane, does the implant kind of push out what you already have?

Doctor Answers 12

Breast implant augmentation or enlargement considerations: bra cup size, volume, under or over

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Within limits, the statements you make are correct:

  1. It generally takes increasing volume to achieve an incremental increase in cup size. However, please realize that there is some subjective interpretation and inherent inaccuracy to the cup measurement. As bra options become increasingly complex, it is not only breast volume but also breast shape that may determine the cup size. Cup size is a fashion term (subject to interpretation by Donna Karan or Calvin Klein, etc.) whereas volume size is a scentific measurement. Furthermore, the cups come in different configurations such as full, demi, soft, structured, padded, sheer, etc.
  2. When you go OVER the muscle the implant will push forward whatever existing breast tissue you have and enhance the projection whereas an implant will be compressed when placed UNDER the muscle.

Chicago Plastic Surgeon
4.9 out of 5 stars 86 reviews

Larger implants generally needed if there is more breast tissue

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Yes, in general if you have more breast tissue, you will need a larger implant to see more of a difference. However, other factors that come into play include how much skin stretching you have. Any implant will push out what is there, and when the implant is larger, you start to see more fill in the top of the breast. Good luck, nsn.

Breast implant size and bra cup size

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You are partially right. The more breast tissue you have, the larger the implant has to be to see a significant change. Although going under the muscle or dual plane does push out what breast tissue you already have, this position requires a larger implant than one above the muscle to achieve the same bra cup size increase. Also, the larger the chest size, the larger the implant needs to be to achieve one cup size increase. However, for people with the same size chest, theoretically, the same size implant will achieve the same relative change in bra cup size, no matter how much breast tissue you start with.

Robert T. Buchanan, MD
Highlands Plastic Surgeon

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Final breast size is the current volume plus the volume of the implant

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This is a very common mistake!

The final volume (size) of your breast is the current size PLUS the volume of the implant which is added. Therefore, the LARGER your current breast size, the SMALLER the volume needed to achieve a certain size. In other words, a "C" cup breast will require a smaller implant volume to achieve a "D" cup than an "A" cup breast.

The other common mistake it to go too large or use a large implant thinking that it will "lift" the nipple up. A very large, heavy breast will eventually stretch the skin and nipple area, and will eventually require a breast lift.

Michael A. Jazayeri, MD
Santa Ana Plastic Surgeon

Breast implant volume and cup size

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Thank you for your question.

Every patient is different. The same-sized implant can have a different effect on different patients. Even patients who are relatively the same "cup" size pre-op, can require different shaped and sized implants to achieve the same look. Cup size is never promised. There are other factors such as skin laxity, nipple placement, droopiness, etc that can affect the result of a certain size of an implant regardless of breast volume.

The implant will push out the tissue you already have when placed over the muscle causing more of a projected look. When the implant is placed under the muscle, it is kind of compressed and more natural looking.

Best regards,

Dr. Speron

Sam Speron, MD
Chicago Plastic Surgeon

CCs vs. Cup Size

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I think this sort "figuring" is not productive, and serves only to increase your anxiety.

I think it is more helpful to understand that the diameter tends to increase much ore than the projection as the size of the implant increases. As you overfill the implants, the projection increases while the diameter slightly decreases.

Implant size goes up around 30 cc's per size (Inamed) which is about a shot glass, which is not much.

True enough, a larger breast will need a larger implant in breast augmentation

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When a surgeon is considering an implant to use in breast augmentation, after taking the individual goals in mind, the size of the implant is influenced by the breast diameter, chest size, and breast projection needed. While there is a 'rule of thumb' that each change of say, 150cc, the breast size will increase by one cup size, the size of the natural breast plays a large factor as well.

Think of it as a percentage change in size of the breast. If you consider the A cup in a slender individual, a breast of about 100 grams, a 200cc implant will increase the breast size by 200%, a remarkable change for some. A more average frame individual with a B cup breast of about 350 to 400 grams with a 200cc implant will only realise a 50% gain in breast size. So true enough, I tend to use a larger implant when the natural breast is larger and vis versa.

Concerning a submuscular implant, the implant will push forward and conform to the breast such that they feel as one, hand in glove. Don't worry about implant size as this is the surgeon's concern. Focus on how you wish to look, and communicate this clearly before your procedure.

Best of luck!

Peter E. Johnson, MD
Chicago Plastic Surgeon
4.0 out of 5 stars 44 reviews

Breast implant volume vs cup size

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Cup volume varies directly with the bra size i.e. 34 or 36. In other words, as the bra circumference goes up, the volume required to fill a given cup increases exponentially.

Often times, women with larger breasts need a smaller implant to achieve their desired result.

It has been stated that a 32D cup has similar breast volume to a 34C, which is similar to a 36B. It has also been stated that up to 40% of American women are wearing the wrong bra size.

It is much more helpful to forget about bra size and focus on the base width of your breast and determine what breast implant profile you need to achieve the volume breast that you desire.

One must also factor in skin elasticity to determine if the breast will stretch to accept the implant.

Also, keep in mind that all "big breasts" droop, and often, when going larger than 350-400 cc, your breasts are likely to droop faster, depending upon the strength of your tissue.

Predicting cup size changes with implant volume is not precise

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The general rule of thumb here is that the less breast tissue there is, the larger the volume of the implant to acheive the same postop size. Also, the more breast tissue there is the more likely you could go over the muscle. It is unfortunate that we don't have a more reliable way of discussing breast size than the cup system, which was introduced by the Warner Bros. Corset Company in the 1930's as a way of inferring breast size without doing actual measurements that would be considered impolite. What you really need to do is forget about cup size for a moment and try on implants in a bra to see what just looks right. Your plastic surgeon can then determine what volume of implant and what dimensions are needed to acheive what you want.

Richard Baxter, MD
Seattle Plastic Surgeon
4.9 out of 5 stars 59 reviews

You are partly right regarding breast size changes

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 While it it true that 200 cc's will make a bigger difference for a small breasted patient than for one with more volume, it won't make a 2 cup size difference in any way.  Also, it is often the case that when a patient has more of their own volume, they need a smaller implant in order to not look huge.

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.