Hi, can anyone help me figure out if my egg is fertilized?

[carlyandcarter]

Hello, I have a lovebird egg that is fertilized but I can't tell if it is still alive. I will post pictures of the egg at different angles. If anyone can help I would really appreciate it!

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[nchls school]

How long has the egg been incubated? Right now the picture shows a clear egg with no embryo development, but this would be normal for a fresh laid egg. If it has been incubated for several days then the egg is infertile. Just because a male is in the same cage with the female does not mean the egg have been fertilized.