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What Will My Cup Size Be After Breast Reduction Surgery?

맘스외과성형외과 · *당신을 위한 맘스외과성형외과* · August 28, 2025

One of the questions people who are considering breast reduction surgery often ask is: 'How many cup sizes will I be after surgery?' In fact, predicting breast size after surgery i...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: 맘스외과성형외과

Original post date: August 28, 2025

Translated at: April 25, 2026 at 6:22 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

What Will My Cup Size Be After Breast Reduction Surgery? image 1

One of the questions people who are considering

breast reduction surgery

often ask is:

'How many cup sizes will I be after surgery?'

In fact, predicting breast size after surgery

in cup sizes

is a bit of a difficult issue.

What Will My Cup Size Be After Breast Reduction Surgery? image 2

Standards such as A cup, B cup, and C cup

refer more to bra sizes than to breast size,

and bra cup sizes vary somewhat

depending on the country and the brand.

In addition, when it comes to the actual style

of wearing bras,

it varies from person to person.

What Will My Cup Size Be After Breast Reduction Surgery? image 3

In general, very few people accurately measure

their underbust circumference and

the circumference including the nipples,

and then buy bras based on those two measurements.

Most people simply choose a comfortable size.

So measuring breast size after surgery

by bra size can be said to be inaccurate.

What Will My Cup Size Be After Breast Reduction Surgery? image 4

However, considering that the way we usually

talk about breast size

is ultimately bra size,

it is also difficult to ignore.

This applies not only to the people undergoing

surgery but also to the medical staff.

What Will My Cup Size Be After Breast Reduction Surgery? image 5

For example, there is a kind of design template

called the Wise pattern,

which medical staff use during reduction surgery.

What Will My Cup Size Be After Breast Reduction Surgery? image 6

In fact, when Wise introduced this design template

in 1956,

it was modeled after the bra forms used in lingerie stores,

so bras and reduction surgery

can be seen as having a very close relationship

that is perhaps inseparable.

What Will My Cup Size Be After Breast Reduction Surgery? image 7

Therefore, we cannot help but give

a rough estimate of the cup size after surgery.

Although it varies from person to person,

in general, after surgery it improves to

about a B cup to C cup.

What Will My Cup Size Be After Breast Reduction Surgery? image 8

Usually, people who want to undergo reduction surgery

have already suffered for a long time because of

their large breasts, so they naturally want

to change to smaller breasts.

From the perspective of medical staff who understand

this well,

the first priority is also to make them as small as possible.

What Will My Cup Size Be After Breast Reduction Surgery? image 9

However, there is a limit to how much can be reduced

in reduction surgery.

In particular, the blood vessels going to the nipple

must always be preserved.

What Will My Cup Size Be After Breast Reduction Surgery? image 10

If we think about reduction surgery methods,

we can summarize them simply.

If the breasts are large and sagging,

you would remove the unnecessary parts,

leave only the parts you want,

and then detach the sagging nipple

and reattach it above.

What Will My Cup Size Be After Breast Reduction Surgery? image 11

The problem is that if you cut out the nipple and areola

and reattach them above,

they will not take properly.

To be precise, they do attach,

but they attach in an abnormal shape.

What Will My Cup Size Be After Breast Reduction Surgery? image 12

Because problems such as nipple deformity,

loss of sensation,

and depigmentation can occur,

you cannot simply detach and reattach the nipple

like a skin graft.

What Will My Cup Size Be After Breast Reduction Surgery? image 13

That is why a surgical method is used

that leaves the blood vessels going to the nipple

in place while moving the vessels and nipple together.

What Will My Cup Size Be After Breast Reduction Surgery? image 14

Now, returning to the topic,

let us think about breast size after reduction surgery.

If the breasts are only slightly sagging,

the length of the vascular flap that must be preserved

becomes shorter.

What Will My Cup Size Be After Breast Reduction Surgery? image 15

But for very sagging breasts,

the length of the vascular flap that must be preserved

has no choice but to become longer.

As breasts become larger, the part that must always

be left behind becomes larger and longer,

so the surgical result also has no choice

but to be somewhat larger accordingly.

What Will My Cup Size Be After Breast Reduction Surgery? image 16

In the end, strictly speaking,

breast reduction surgery can be said to produce

smaller results for smaller breasts

and larger results for larger breasts.

Therefore, it is not possible to make everyone's result

the same size,

and the postoperative size will also differ

depending on the size and degree of sagging.

What Will My Cup Size Be After Breast Reduction Surgery? image 17

Still, based on experience, if I were to give

a rough estimate of the postoperative result in cup sizes,

you can think of it as roughly a B cup,

and in the case of very large breasts,

about a C cup,

which would not be too far from the actual result.

What Will My Cup Size Be After Breast Reduction Surgery? image 18

If you would like to know the surgical result

in more detail in advance,

you can check it through 3D virtual plastic surgery.

Using something like this can also be one option.

What Will My Cup Size Be After Breast Reduction Surgery? image 19 What Will My Cup Size Be After Breast Reduction Surgery? image 20 What Will My Cup Size Be After Breast Reduction Surgery? image 21 What Will My Cup Size Be After Breast Reduction Surgery? image 22 What Will My Cup Size Be After Breast Reduction Surgery? image 23 What Will My Cup Size Be After Breast Reduction Surgery? image 24 What Will My Cup Size Be After Breast Reduction Surgery? image 25

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