Some functional bras claim that they can help shape and improve breast structure, etc., which have no scientific basis. Beijing News reporter Wang Yuanzheng photo
In addition to the common underwear types, there are different types of functional bras on the market now. Some functional bras claim to help shape and improve the structure of breasts, and even some functional underwear claim that they can make breasts develop again after being worn in the right way. Experts say that breasts generally develop well around the age of eighteen or nineteen, and there is no such thing as "secondary development" of breasts. Women’s breasts become bigger during pregnancy and lactation because they are stimulated by hormones, which cannot be regarded as the secondary development of breasts. For functional underwear, it is recommended that women wear less.
"Breast Re-development" is unscientific.
Luan Jie explained that some functional underwear in the market claims to promote breast re-development, which is unscientific in itself. The so-called development refers to the change of an organ from immature to mature.
Wang Jianmei said that there is no such thing as "secondary development" of breasts. The development of women’s breasts is a natural process, which is related to the hormone level in the body. It is difficult to promote their development through external intervention, and it also needs the support of clinical data and a large number of follow-up surveys.
Huang Rongrong said that the functional bra mainly adjusts the breast by external force, and the bra material itself has certain elasticity, which helps the human body shape by pushing the breast from the perspective of fat movement. From a medical point of view, the development of mammary glands is generally basically completed around the age of 18-19, and will not develop again afterwards. "It cannot be ruled out that some women may have enlarged mammary glands after adjustment of massage and diet." Some functional underwear stimulates the breasts through underwear itself to achieve a relative degree of breast development.
Small breasts are not sensitive to hormones.
Luan Jie further explained that the most important factors affecting the size and change of breast morphology are the level of estrogen in women and the sensitivity of breast tissue to hormones, and relatively speaking, the sensitivity level of breast tissue to hormones is more important. Some women’s own estrogen levels are normal, because their breast tissues are more sensitive to hormones, and their breasts are larger. Similarly, many women actually have normal estrogen levels in their bodies, and their breasts are smaller because their breast tissues are not very sensitive to hormones.
At present, there is no physical method to achieve the effect of breast enlargement.
In addition to these two factors, there is no physical method, such as wearing a bra, to achieve the effect of enlarging the breast. "I don’t think these functions of functional underwear are scientific and credible," Luan Jie said. From the perspective of human physiological structure, it is also impossible to promote breast re-development.
During pregnancy and lactation, women will also have some changes. Generally, their breasts are bigger than usual. Wearing a bra has a certain protective effect on women. From the appearance, it can cover up or delay the sagging of breasts to a certain extent, but even so, wearing a bra can not effectively prevent breast sagging.
■ Interpretation of misunderstandings
"False" breasts during pregnancy and lactation are not "re-development" of breasts.
Generally speaking, during pregnancy and lactation, women’s breasts will be slightly larger than usual. In this regard, Luan Jie explained that this is a special physiological period, when the breast tissue has matured. Breast development at this stage cannot be regarded as re-development, but a change in physiological function, which is a special period under the influence of hormone levels in the body.
After the end of lactation, with the decrease of estrogen level in the body, the breast will shrink. Along with this change, there will be some changes in organizational structure, such as bloating, pigmentation, lactation, etc. These changes will also bring about changes in the appearance of the breast, but this change is by no means the re-development of the breast.
Wang Jianmei told reporters that during pregnancy and lactation, women’s breasts will be slightly larger than usual, which is due to the change of hormone levels in the body to stimulate the breast tissue. After the end of lactation, as the hormone level in the body tends to be normal, most women’s breasts will return to the same size as before. During pregnancy, the breast tissue is affected by progesterone in the body. With the continuous increase of pregnancy, the breasts will generally become larger. It should be noted that after the end of lactation, women’s breasts completely return to the pre-pregnancy state, especially the skin elasticity, which is also very difficult to achieve. Most people will have loose skin around their breasts after the end of lactation. "Of course, there are also a few people who do have larger breasts after the end of lactation through changes during pregnancy and lactation," Wang Jianmei said, but this is only a part of people, and this period cannot be regarded as an opportunity for breast development.
Huang Rongrong explained that after the end of lactation, women’s breasts are actually difficult to fully recover to their previous state, especially for women with a large amount of milk secretion. With the gradual increase of breasts, the breast skin will be propped up in a short time, which will lead to some skin fibers breaking, so after the end of lactation, some people will have sagging breasts, and the breasts will shrink at the end of lactation, and the elasticity of breast skin will also decline. It is true that some women have larger breasts after pregnancy and breastfeeding, and the unilateral breasts that often breastfeed may be slightly larger. Huang Rongrong explained that this is mainly related to the changes in hormone levels in the body.
■ Link
Wearing negative pressure expansion device for a long time can improve breast size.
Luan Jie introduced that the application of negative pressure expansion device can help to improve the breast size to some extent by expanding outside the tissue, which is the only method with medical evidence to effectively improve the breast size. In addition, it is not credible to claim that breast size can be improved by massage, physical therapy and wearing special bras. Under normal circumstances, the combination of negative pressure expansion device and fat transplantation can increase the breast to some extent. The negative pressure expansion device can provide some conditions for fat transplantation, such as providing more space for fat transplantation and improving the blood circulation of tissues through the application of this device, and it is also proved to be a very effective method in clinic.
However, this device needs to be worn for 8-10 hours every day for a long time to take effect. The effect itself varies from person to person, and it is not effective for people who are too thin or have too small breasts. At present, this kind of device belongs to medical equipment, and it has strict control of various indexes. People can buy and use it by themselves, just follow the product manual when using it. Generally, the price of each device is about 20,000 yuan. However, if this device is used in combination with fat transplantation, the specific time and method of use should be used under the guidance of a doctor.
■ Reminder
Mastectomy patients can choose special bras.
For some common breast diseases, Huang Rongrong said, for example, if there is breast fibroadenoma, local resection will not have any effect on the patient. Some patients have undergone mastectomy because of breast cancer, and the chances of canceration on the other side of the breast will also increase. At this time, it is more important to pay attention to protecting the other side of the breast. It is recommended that patients should go to the hospital regularly for examination. In addition, after mastectomy on one side, the weight of the breasts on both sides is different, so it is suggested that patients wear fake breasts made of silica gel to keep the balance between shoulders and body. In the choice of bra, patients can put a special bra with prosthesis on one side.
D02-D03 Edition Written/Beijing News reporter Zhang Xiulan