The age at which female breasts begin to develop is related to factors such as geography, race, nutritional status and genetics, and there are individual differences. Generally speaking, breast development occurs around the age of 11 to 12 in China.
Breast development is a manifestation of female secondary sexual characteristics and is influenced by the level of estrogen in the body. Women in China generally start breast development at the age of 11 to 12 years old. Women living in tropical areas develop breasts earlier, while those living in colder regions develop breasts a little later. In addition, the breast development of Caucasian people is mostly at the age of 9 to 12, earlier, black people a little later.
Puberty is the initial stage of female breast development, after 3 to 5 years, until 15 to 16 years of age can gradually mature, no longer continue to grow. However, before the onset of menstruation, breast tissue and adipose tissue can begin to significantly increase due to elevated levels of estrogen in the body and show cyclical changes with the menstrual cycle.
Eating estrogen-containing foods for a long time can also stimulate early breast tissue development. Eating foods containing additives and estrogen should be minimized.