o型血和o型血生的小孩怎么是a型血

来自马玲医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：你好！根据你的描述考虑是一般不会出现a型血的，可能报告有错误。但是3岁内孩子的血型只能做正向检查，不能做双向检查，宝宝血型有发生变化的可能。还有血型也是可以突变的。

马玲

主任医师

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：你好，我想请问下夫妻俩人都是o型血，但是生的孩子是a型血，这个正常吗？