参考资料

[1]Javed A. Development of the human breast. Semin Plast Surg. 2013 Feb;27(1):5-12.

[2]Breast development：http://www.healthofchildren.com/B/Breast-Development.html

[3]Normal Breast Development：https://www.stanfordchildrens.org/en/topic/default?id=normal-breast-development-90-P01624

[4]乳房的发育历程及各个时期如何保健：https://www.youlai.cn/yyk/article/90348.html

[5]乳腺的发育过程：https://zhuanlan.zhihu.com/p/508886046

[6]反定杯专利类型：实用新型专利；专利号：ZL 2017 2 1412023.9