Some women have large breasts and some have small breasts, mainly due to differences in personal constitution. Mainly affected by heredity, hormone levels, living habits. Therefore, the phenomenon that some people have big breasts and some have small breasts will appear.
1. Heredity: the size of the female breasts and genetic factors have a great relationship, if the female elders in the family are larger, then it is likely to be larger; if they are smaller, then it will be smaller.
2. Hormone levels: estrogen is the key to promoting the development of female secondary sexual characteristics, if the body has more estrogen, then the breasts will be large, and vice versa, small breasts are small.
3. Lifestyle habits: If there is excessive dieting or picky eating later in life, it may lead to the phenomenon of poor breast development.
Since everyone has a different physique and takes in different nutrients on a daily basis, the development of breasts may vary to some extent. Therefore, as long as there is no impact on life, there is no need to be obsessed about whether the breasts are big or small.