Women's breasts are made up of mammary glands and fat, but there is a thin muscle layer under them. By adding pectoralis major muscle, the breasts can be raised, which is similar to the effect of silicone, and can make the breasts bigger and more straight, just like those female stars with good figure in the entertainment circle. Their career path is impressive.
But strictly speaking, it can't be said to be the effect of breast enhancement, because the effect of increasing the breast enhancement of that muscle group is really quite small, but it only plays a role in making the chest stronger. There is a lack of androgen in women, so it is very unlikely that they want to build big muscles, because it is difficult for women to build muscles themselves, which will not affect the size of their breasts too much.
However, women's long-term fitness and chest practice will be of great benefit to the chest. Although you can't breast enlargement, you can reduce the sagging of your chest, reduce the auxiliary breasts, fix and hold up your breasts, and become more and more compact, which is a great progress compared with you who didn't exercise at first.
Moreover, fitness and weight loss are very important. Don't go on a diet, it will backfire. It will make your breasts smaller and make you slim down first. Therefore, it is necessary to ensure food intake when exercising, otherwise the body will not have enough fat to support the breasts, and it will sag.