Hmm, not looking so good from here. I can actually see little black eyes moving around in mine, one is behind, but can still see the embryo. Plus, the veining.
That's what I thought, I'll keep it 'till Friday, just in case but I think I'm down to 41. Does the shadow mean it was fertile? I had one that had no shadow at all and like bubbles that rolled around inside. I tossed that one. It was my wrinkley egg.