Fertile

[fil76]

If you can see a no veins when you candle
Only a dark shape possible egg yolk which moves when you turn the egg is the egg not
Fertile day 6
Cheers phil

 

[Wezdin]

I'm assuming you got a chicken egg, depending on egg color it can take longer to tell. I would let it in for a few more days but no visible development day 6 is not a good sign.