女孩胸部发育后多久来例假

来自罗莉医生的专业解答，快打开看看是否又获得了新的知识点～

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健康之路

病情分析：女孩多数情况下在胸部发育后两年半左右会出现月经初潮，一般在10岁左右乳房开始发育，经过2~3年时间乳房发育成熟。一般在两年半之后出现月经，月经初潮是青春期的重要标志，月经初潮时间一般在11岁至14岁之间。

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提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：女儿这两天胸部发育了，我想知道女孩胸部发育以后，一般多久来例假？