Will breasts become smaller after weaning?

Oct 10, 2024 Source: Cainiu Health
Dr. Lv Dapeng
Introduction
The term "chest" refers to the breasts. In general, breast size may decrease after the end of lactation, primarily due to factors such as hormonal changes, alterations in mammary gland tissue, relaxation of the breast suspensory ligaments, and reduced fat content. However, individual experiences vary. If the breasts do not reduce in size after lactation, options such as fractional laser therapy, liposuction, or breast reduction surgery can be considered to achieve a smaller breast size.

The chest refers to the thoracic area. In general, the breasts may become smaller after the end of lactation, mainly due to changes in hormone levels, breast tissue alterations, relaxation of the suspensory ligaments of the breast, reduced fat content, and other factors. However, specific outcomes vary from person to person. If the breasts do not decrease in size after lactation ends, procedures such as fractional laser treatment, liposuction, breast reduction surgery, or periareolar mastopexy can be considered to reduce breast size. It is recommended to visit a reputable hospital and proceed under the guidance of a qualified physician.

Analysis of reasons for breast shrinkage after lactation:

1. Hormonal changes

During lactation, levels of estrogen, progesterone, prolactin, and other hormones are elevated in women. These hormones stimulate breast tissue proliferation and fat deposition, leading to breast enlargement. After lactation ends, hormone levels gradually return to pre-pregnancy states. The decline in estrogen and progesterone reduces stimulation of breast tissue, causing mammary alveoli to atrophy progressively, which results in a reduction in breast volume.

2. Changes in breast tissue

During breastfeeding, milk-secreting cells fill the breast tissue, making the breasts appear full. Once lactation ceases, the breast tissue no longer produces large amounts of milk, and the ducts and alveoli begin to regress. This leads to partial atrophy of the breast tissue, resulting in smaller, softer breasts, often accompanied by varying degrees of sagging.

3. Relaxation of breast suspensory ligaments

During lactation, increased breast weight exerts greater traction on the suspensory ligaments (Cooper's ligaments). Prolonged stretching may cause varying degrees of ligament laxity. Even though breast weight decreases post-lactation, the already-loosened ligaments cannot fully recover their original tension, reducing their ability to support breast tissue effectively. This contributes to a visually smaller and drooping appearance of the breasts.

4. Decreased fat content

During pregnancy and lactation, women accumulate extra body fat to meet the nutritional demands of fetal development and milk production. After lactation ends, metabolic functions gradually normalize. Combined with postpartum recovery exercises or dietary adjustments, overall body fat—including fat within the breasts—tends to decrease, contributing further to a reduction in breast size.

Analysis of breast reduction techniques:

Procedure Name

Fractional Laser

Liposuction

Breast Reduction Surgery

Periareolar Mastopexy (Circular Breast Reduction)

Surgical Principle

Uses laser energy to dissolve chest fat

Uses specialized instruments to suction localized fat

Removes part of the breast tissue via surgical incision

Cuts around the areola, removes excess skin and glandular tissue, then lifts and reshapes the breast

Reference Cost

3,000–6,000 RMB per session

5,000–30,000 RMB per session

8,000–30,000 RMB per session

5,000–30,000 RMB per session

Advantages

1. More comfortable procedure
2. High precision

1. Highly targeted
2. Relatively safe

1. Reduces physical burden
2. Minimal discomfort

1. Incisions are well-concealed
2. Less invasive

Potential Risks

1. May cause local pain
2. Could lead to skin bleeding

1. May result in uneven skin surface
2. Possible pigmentation

1. Skin swelling and pain may occur
2. Scarring possible

1. May cause breast pain
2. Prone to hematoma formation

Duration of Results

3–5 years

5–7 years

3–10 years

5–10 years

After surgery, proper wound care is essential. Avoid getting the wound wet too early to prevent complications in healing. Additionally, maintain a light diet and avoid spicy or irritating foods such as Sichuan pepper, chili peppers, and onions, as they may negatively affect postoperative recovery and outcomes.