A Professional Medical Explanation of Safety

One of the most common questions from patients considering fat-transfer breast augmentation is:

• “Will this affect my ability to breastfeed in the future?”
• “Will I still be able to produce breast milk?”

The answer is:

When performed properly, fat grafting to the breast has minimal impact on breastfeeding function.

However, this safety is based on accurate anatomical understanding and precise technique.

At AVAN TOKYO, we design procedures with not only aesthetic outcomes in mind, but also your future life events.

■ Where is fat injected in breast fat grafting?

Fat is typically injected into the following layers:

• Subcutaneous layer
• Around the mammary gland
• Above the muscle fascia

The key principle is:

avoiding direct damage to the mammary glands and milk ducts.

■ Structures involved in breastfeeding

Breastfeeding depends on:

• Mammary glands (milk-producing tissue)
• Milk ducts
• Nipple

As long as these structures remain intact,

breastfeeding function is preserved.

■ Why fat grafting rarely affects breastfeeding

There are three main reasons:

1. The mammary gland is not destroyed

Fat is injected

around the gland, not inside it.

Therefore, glandular function remains intact.

2. Milk ducts are preserved

When performed correctly,

milk ducts are not damaged.

3. No major incision is required

Fat grafting is

a minimally invasive injection-based procedure.

It does not involve major manipulation of the nipple or areola.

■ Important considerations

That said, certain factors may increase risk:

• Excessive fat injection
• Incorrect injection layer
• Fat necrosis or lump formation
• Repeated aggressive procedures

These may affect the surrounding environment of the gland.

■ Timing and future pregnancy

Fat grafting can be performed:

• before pregnancy
• ideally after breastfeeding for optimal stability
• with careful planning if pregnancy is expected

At AVAN TOKYO, we tailor treatment plans according to your life goals.

■ Safety approach at AVAN TOKYO

We focus on:

✔ anatomically precise injection layers
✔ protecting glandular structures
✔ micro-fat grafting techniques
✔ minimizing lump formation
✔ careful postoperative monitoring

Fat grafting is not simply about enlargement.

It is about enhancing beauty while preserving function.

At AVAN TOKYO, we aim to balance:

• aesthetics
• safety
• future functionality

Choose beauty without compromising your future.

Fat transfer breast augmentation is not only about appearance.

It is about creating a result that respects your body—now and in the future.