I'm left with one egg out of my 5/12 setting of 9. Seven of the shipped eggs did not develop at all, one had a blood ring at 3 days and the last one had a pin head size hole in the shell but not in the membrane that I had to seal with a small dot of duct tape because thats the only tape I had, sure hope it's ok. Of course the egg thats got a live bouncing baby in it is my patched egg, go figure. So my one precious little egg is holding on, I'll take even one live hatchling at this point