When did girls start wearing bras?

　　It is currently believed that it should be determined based on the speed and size of breast development. The development of breasts is affected by various factors such as genetics, nutrition, exercise, etc. The breasts are fully developed at the beginning of puberty, and methods of restraining the breasts should not be used to hinder their development.

　　Generally, when a girl reaches the age of 16-18, the development of her breasts and breasts is close to maturity. Or use a soft ruler to measure from the upper bottom of the breast through the nipple to the lower bottom of the breast. When the upper and lower distance is greater than 16cm, she should wear a bra. If you are younger than 16 years old and the distance between your breasts is less than 16cm, you should not wear a bra. Because wearing a bra too early is not only detrimental to the growing breasts, but also affects future milk secretion.

　　However, if you don't wear a bra after the breasts are fully developed, it will also be detrimental to breast development. Because toned breasts require special protection, wearing a bra promptly is an ideal and simple method. Wearing a bra can protect the breasts, support and set off the breasts, allow smooth blood circulation, and help breast development ； It can reduce the swing of breasts during walking, exercise and labor, and prevent sagging breasts. ； It can promote the accumulation of fat in the breasts, make the breasts fuller, and also make up for the physiological defects of small breasts.

　　Wearing a bra can not only reflect female Unique curvaceous beauty, and good for the human body healthy There are benefits. However, improper use can also affect human health. Therefore, it is necessary to choose and wear bras scientifically. There are many types of bras on the market. You can choose according to your body shape, fatness, season and breast development. It is better to choose soft, breathable and hygroscopic cotton products. The length of the bra strap should also be appropriate and wider (not narrower than 2-3cm).

　　An ideal bra should just be able to hold up the breasts when the human body is moving, and try to limit the movement of the breasts without affecting breathing. skin There should be no traces of oppression. Therefore, when you go to the store to buy a bra, you should first measure your bust, that is, use a soft measuring tape to measure around the chest along the lower edges of the breasts on both sides. This size is the size of the bra you should buy. The bra size should be moderate. If it is too small, it will compress the breasts and nipples, affecting breathing and the development of the chest and breasts. ； A bra that is too large will not be able to support and protect the breasts. also, sleep The bra should be removed to avoid affecting breathing and blood circulation.