推 ChungHsi1021: 我妹就是10岁来初经
我早就说了
而且根据我对ㄌㄌ的文献回顾
在来初潮前乳房就已经发育几年了
Menarche typically occurs within 2–3 years after thelarche (breast budding), at Tanner stage IV breast development, and is rare before Tanner stage III development
https://i.imgur.com/1WobBOA.png
这张把乳头涂掉应该safe
所以来初潮时已经有明显的乳晕 乳头突起 跟胸部
参考资料:保田塾