It is not necessarily be an alergy to egg yolk, it just means that she is not ready for that much egg protein yet.The egg yolk still has proteins.

• 7个多月的时候我又加了一次蛋黄，后来还给孩子吃了一点芒果水，孩子吐了一下午，医生说是蛋黄没有消化，芒果吃了过敏导致的。