毫无疑问,乳房健美在现代女性的整体形象中占有重要的地位。女孩子进入青春期后,随着乳腺的发育成熟,胸部线条亦日益明显。乳房是女孩子最显著的第二性征之一,它的发育是否正常,将直接影响着女性的形体美。乳房是女孩子发育时间最长的器官。我国女孩子乳房发育一般要经历8-9年时间。发育成熟的乳房腺体成熟,脂肪结缔组织增多,乳晕与乳头界线 Undoubtedly, breast bodybuilding occupies an important position in the overall image of modern women. Girls into adolescence, with the maturation of the breast, chest lines are also increasingly obvious. Breast is one of the most prominent secondary sexual characteristics of girls, and its development is normal, will have a direct impact on women’s physical beauty. Breasts are the longest growing organ in girls. Chinese girls breast development generally go through 8-9 years. Mature breast glands mature, increased adipose connective tissue, areola and nipple line